{"id":46,"date":"2022-08-16T19:44:50","date_gmt":"2022-08-16T23:44:50","guid":{"rendered":"https:\/\/opentextbc.ca\/alfm2\/?post_type=chapter&p=46"},"modified":"2025-03-05T17:17:39","modified_gmt":"2025-03-05T22:17:39","slug":"unit-1-review-number-sense","status":"publish","type":"chapter","link":"https:\/\/opentextbc.ca\/alfm2\/chapter\/unit-1-review-number-sense\/","title":{"raw":"Unit 1 Review: Number Sense","rendered":"Unit 1 Review: Number Sense"},"content":{"raw":"You will now practice all the skills you learned in Unit 1. Check your work using the answer key at the end of the review.\r\n
    \r\n \t
  1. Write the place value names (ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions) for each bolded digit.\r\n
      \r\n \t
    1. 439<\/strong>2<\/span><\/li>\r\n \t
    2. 765<\/strong><\/li>\r\n \t
    3. 18<\/strong>293<\/span><\/li>\r\n \t
    4. 564<\/strong>28<\/span><\/li>\r\n \t
    5. 36<\/strong>41<\/span>758<\/span><\/li>\r\n \t
    6. 42<\/strong>6153<\/span><\/li>\r\n \t
    7. 8<\/strong>429<\/span>576<\/span><\/li>\r\n \t
    8. 4<\/strong>258<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
    9. Using the number 349285<\/span>106<\/span><\/strong>, write the digit that is in each of the following place values.\r\n
        \r\n \t
      1. millions<\/li>\r\n \t
      2. ones<\/li>\r\n \t
      3. ten thousands<\/li>\r\n \t
      4. thousands<\/li>\r\n \t
      5. hundreds<\/li>\r\n \t
      6. hundreds thousands<\/li>\r\n \t
      7. tens<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
      8. Underline the digit for the place value named.\r\n
          \r\n \t
        1. hundreds,\u00a0 \u00a0 5321<\/span><\/li>\r\n \t
        2. tens,\u00a0 \u00a0 8703<\/span><\/li>\r\n \t
        3. ten thousands,\u00a0 \u00a0 34891<\/span><\/li>\r\n \t
        4. hundred thousands,\u00a0 \u00a0 891402<\/span><\/li>\r\n \t
        5. thousands,\u00a0 \u00a0 72491<\/span><\/li>\r\n \t
        6. millions,\u00a0 \u00a0 4201<\/span>856<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
        7. Write the word names for the numbers.\r\n
            \r\n \t
          1. 818<\/li>\r\n \t
          2. 1678<\/span><\/li>\r\n \t
          3. 29764<\/span><\/li>\r\n \t
          4. 1984<\/span>152<\/span><\/li>\r\n \t
          5. 42803<\/span><\/li>\r\n \t
          6. 226917<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
          7. Write the numerals for these word names.\r\n
              \r\n \t
            1. twenty-five thousand one hundred thirty-two<\/li>\r\n \t
            2. one thousand two hundred seven<\/li>\r\n \t
            3. two hundred fifteen thousand twenty-four<\/li>\r\n \t
            4. one million six hundred ninety-five thousand four hundred twenty<\/li>\r\n \t
            5. seven hundred twenty-six<\/li>\r\n \t
            6. nine thousand four<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
            7. Write each number in expanded form.\r\n
                \r\n \t
              1. 184<\/li>\r\n \t
              2. 3908<\/span><\/li>\r\n \t
              3. 61281<\/span><\/li>\r\n \t
              4. 1539<\/span>587<\/span><\/li>\r\n \t
              5. 366524<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
              6. Write each number from expanded form.\r\n
                  \r\n \t
                1. 50000<\/span>\u00a0 +\u00a0 6000<\/span>\u00a0 + 600\u00a0 +\u00a0 90\u00a0 + 8<\/li>\r\n \t
                2. 200000<\/span>\u00a0 +\u00a0 70000<\/span>\u00a0 +\u00a0 8000<\/span>\u00a0 +\u00a0 200\u00a0 +\u00a0 60\u00a0 + 1<\/li>\r\n \t
                3. 3000<\/span>\u00a0 +\u00a0 800\u00a0 +\u00a0 80\u00a0 + 5<\/li>\r\n \t
                4. 1000<\/span>000<\/span> + 400000<\/span> + 70000<\/span> + 6000<\/span> + 100 + 50 + 3<\/li>\r\n \t
                5. 700\u00a0 + \u00a01<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                6. Arrange these numbers in order from smallest to largest.\r\n
                    \r\n \t
                  1. 18; 34937<\/span>; 727; 1487<\/span>; 147832<\/span><\/li>\r\n \t
                  2. 769; 6790<\/span>; 697; 76976<\/span>; 76796<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                  3. Write <, >, or = in each blank as needed.\r\n
                      \r\n \t
                    1. 9698<\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span> 6899<\/span><\/li>\r\n \t
                    2. 7542<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 7452<\/span><\/li>\r\n \t
                    3. 34682<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 39421<\/span><\/li>\r\n \t
                    4. 124693<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 124693<\/span><\/li>\r\n \t
                    5. 738423<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 783423<\/span><\/li>\r\n \t
                    6. 45832<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 54123<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                    7. Round each number to the nearest hundred.\r\n
                        \r\n \t
                      1. 774<\/li>\r\n \t
                      2. 2581<\/span><\/li>\r\n \t
                      3. 21204<\/span><\/li>\r\n \t
                      4. 692<\/li>\r\n \t
                      5. 572098<\/span><\/li>\r\n \t
                      6. 7652<\/span>931<\/span><\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                      7. Round each number to the nearest thousand.\r\n
                          \r\n \t
                        1. 948<\/li>\r\n \t
                        2. 75767<\/span><\/li>\r\n \t
                        3. 288869<\/span><\/li>\r\n \t
                        4. 479<\/li>\r\n \t
                        5. 3976<\/span><\/li>\r\n \t
                        6. 5012<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                        7. Round each number to the nearest ten thousand.\r\n
                            \r\n \t
                          1. 4028<\/span><\/li>\r\n \t
                          2. 226917<\/span><\/li>\r\n \t
                          3. 126804<\/span><\/li>\r\n \t
                          4. 9794<\/span>487<\/span><\/li>\r\n \t
                          5. 87805<\/span><\/li>\r\n \t
                          6. 5912<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                          7. Round each number to the nearest hundred thousand.\r\n
                              \r\n \t
                            1. 687029<\/span><\/li>\r\n \t
                            2. 1326<\/span>876<\/span><\/li>\r\n \t
                            3. 523715<\/span><\/li>\r\n \t
                            4. 4766<\/span>883<\/span><\/li>\r\n \t
                            5. 8182<\/span>390<\/span><\/li>\r\n \t
                            6. 792013<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                            7. Round each number to the nearest million.\r\n
                                \r\n \t
                              1. 1009<\/span>627<\/span><\/li>\r\n \t
                              2. 28101<\/span>052<\/span><\/li>\r\n \t
                              3. 894063<\/span><\/li>\r\n \t
                              4. 9778<\/span>656<\/span><\/li>\r\n \t
                              5. 80379<\/span>591<\/span><\/li>\r\n \t
                              6. 3102<\/span>975<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                              7. Word Problems.\r\n
                                  \r\n \t
                                1. The three heaviest sharks are the whale shark weighing 30500<\/span> kilograms. The basking shark weighing 9258<\/span> kilograms. The great white shark weighing 3507<\/span> kilograms. Round each number to the nearest thousand.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
                                  Shark<\/th>\r\nNumber<\/th>\r\nRounded Number<\/th>\r\n<\/tr>\r\n
                                  Whale shark<\/th>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n
                                  Basking shark<\/th>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n
                                  Great White Shark<\/th>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/li>\r\n \t
                                2. Three of the largest islands in the world are New Guinea covering 785753<\/span> square kilometers, Baffin Island covering 503944<\/span> square kilometers and Honshu Island covering 227413<\/span> square kilometers. Round each number to the nearest ten thousand.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
                                  Island<\/th>\r\nNumber<\/th>\r\nRounded Number<\/th>\r\n<\/tr>\r\n
                                  New Guinea<\/th>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n
                                  Baffin Island<\/th>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n
                                  Honshu Island<\/th>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n

                                  Answers to Unit 1 Review - Number Sense<\/h1>\r\n
                                    \r\n \t
                                  1. \r\n
                                      \r\n \t
                                    1. \u00a0tens<\/li>\r\n \t
                                    2. ones<\/li>\r\n \t
                                    3. thousands<\/li>\r\n \t
                                    4. hundreds<\/li>\r\n \t
                                    5. hundred thousands<\/li>\r\n \t
                                    6. ten thousands<\/li>\r\n \t
                                    7. millions<\/li>\r\n \t
                                    8. thousands<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                    9. \r\n
                                        \r\n \t
                                      1. 9<\/li>\r\n \t
                                      2. 6<\/li>\r\n \t
                                      3. 8<\/li>\r\n \t
                                      4. 5<\/li>\r\n \t
                                      5. 1<\/li>\r\n \t
                                      6. 2<\/li>\r\n \t
                                      7. 0<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                      8. \r\n
                                          \r\n \t
                                        1. 53<\/span>21<\/span><\/li>\r\n \t
                                        2. 870<\/span>3<\/span><\/li>\r\n \t
                                        3. 3<\/span>4891<\/span><\/li>\r\n \t
                                        4. 8<\/span>91402<\/span><\/li>\r\n \t
                                        5. 72<\/span>491<\/span><\/li>\r\n \t
                                        6. 4<\/span>201<\/span>856<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                        7. \r\n
                                            \r\n \t
                                          1. eight hundred eighteen<\/li>\r\n \t
                                          2. one thousand six hundred seventy-eight<\/li>\r\n \t
                                          3. twenty-nine thousand seven hundred sixty-four<\/li>\r\n \t
                                          4. one million nine hundred eighty-four thousand one hundred fifty-two<\/li>\r\n \t
                                          5. forty-two thousand eight hundred three<\/li>\r\n \t
                                          6. two hundred twenty-six thousand nine hundred seventeen<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                          7. \r\n
                                              \r\n \t
                                            1. 25132<\/span><\/li>\r\n \t
                                            2. 1207<\/span><\/li>\r\n \t
                                            3. 215024<\/span><\/li>\r\n \t
                                            4. 1695420<\/span><\/span><\/li>\r\n \t
                                            5. 726<\/li>\r\n \t
                                            6. 9004<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                            7. \r\n
                                                \r\n \t
                                              1. 100 + 80 + 4<\/li>\r\n \t
                                              2. 3000<\/span> + 900 + 8<\/li>\r\n \t
                                              3. 60000<\/span> + 1000<\/span> + 200 + 80 + 1<\/li>\r\n \t
                                              4. 1000<\/span>000<\/span> + 500000<\/span> + 30000<\/span> +\r\n9000<\/span> + 500 + 80 + 7<\/li>\r\n \t
                                              5. 300 000 + 60 000 + 6 000 + 500 + 20 + 4<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                              6. \r\n
                                                  \r\n \t
                                                1. 56698<\/span><\/li>\r\n \t
                                                2. 278261<\/span><\/li>\r\n \t
                                                3. 3885<\/span><\/li>\r\n \t
                                                4. 1476<\/span>153<\/span><\/li>\r\n \t
                                                5. 701<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                6. \r\n
                                                    \r\n \t
                                                  1. 18,\u00a0 727,\u00a0 1487<\/span>,\u00a0 34937<\/span>,\u00a0 147832<\/span><\/li>\r\n \t
                                                  2. 697,\u00a0 769,\u00a0 6790<\/span>,\u00a0 76796<\/span>,\u00a0 76976<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                  3. \r\n
                                                      \r\n \t
                                                    1. ><\/li>\r\n \t
                                                    2. ><\/li>\r\n \t
                                                    3. <<\/li>\r\n \t
                                                    4. =<\/li>\r\n \t
                                                    5. <<\/li>\r\n \t
                                                    6. <<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                    7. \r\n
                                                        \r\n \t
                                                      1. 800<\/li>\r\n \t
                                                      2. 2600<\/span><\/li>\r\n \t
                                                      3. 21200<\/span><\/li>\r\n \t
                                                      4. 700<\/li>\r\n \t
                                                      5. 572100<\/span><\/li>\r\n \t
                                                      6. 7652<\/span>900<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                      7. \r\n
                                                          \r\n \t
                                                        1. 1000<\/span><\/li>\r\n \t
                                                        2. 76000<\/span><\/li>\r\n \t
                                                        3. 289000<\/span><\/li>\r\n \t
                                                        4. 0<\/li>\r\n \t
                                                        5. 4000<\/span><\/li>\r\n \t
                                                        6. 5000<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                        7. \r\n
                                                            \r\n \t
                                                          1. 0<\/li>\r\n \t
                                                          2. 230000<\/span><\/li>\r\n \t
                                                          3. 130000<\/span><\/li>\r\n \t
                                                          4. 9790<\/span>000<\/span><\/li>\r\n \t
                                                          5. 90000<\/span><\/li>\r\n \t
                                                          6. 10000<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                          7. \r\n
                                                              \r\n \t
                                                            1. 700000<\/span><\/li>\r\n \t
                                                            2. 1300<\/span>000<\/span><\/li>\r\n \t
                                                            3. 500000<\/span><\/li>\r\n \t
                                                            4. 4800<\/span>000<\/span><\/li>\r\n \t
                                                            5. 8200<\/span>000<\/span><\/li>\r\n \t
                                                            6. 800000<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                            7. \r\n
                                                                \r\n \t
                                                              1. 1000<\/span>000<\/span><\/li>\r\n \t
                                                              2. 28000<\/span>000<\/span><\/li>\r\n \t
                                                              3. 1000<\/span>000<\/span><\/li>\r\n \t
                                                              4. 10000<\/span>000<\/span><\/li>\r\n \t
                                                              5. 80000<\/span>000<\/span><\/li>\r\n \t
                                                              6. 3000<\/span>000<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                              7. \r\n
                                                                  \r\n \t
                                                                1. \r\n\r\n\r\n\r\n\r\n\r\n\r\n
                                                                  Shark<\/th>\r\nNumber<\/th>\r\nRounded Number<\/th>\r\n<\/tr>\r\n
                                                                  Whale shark<\/th>\r\n30500<\/span><\/td>\r\n31000<\/span><\/td>\r\n<\/tr>\r\n
                                                                  Basking shark<\/th>\r\n9258<\/span><\/td>\r\n9000<\/span><\/td>\r\n<\/tr>\r\n
                                                                  Great White Shark<\/th>\r\n3507<\/td>\r\n4000<\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/li>\r\n \t
                                                                2. \r\n\r\n\r\n\r\n\r\n\r\n\r\n
                                                                  Kilometers<\/th>\r\nNumber<\/th>\r\nRounded Number<\/th>\r\n<\/tr>\r\n
                                                                  New Guinea<\/th>\r\n785753<\/span><\/td>\r\n790000<\/span><\/td>\r\n<\/tr>\r\n
                                                                  Baffin Island<\/th>\r\n503944<\/span><\/td>\r\n500000<\/span><\/td>\r\n<\/tr>\r\n
                                                                  Honshu Island<\/th>\r\n227413<\/span><\/td>\r\n230000<\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n
                                                                  \r\n\r\nCONGRATULATIONS!!\r\n\r\nNow you have finished Unit 1.\r\n\r\n \r\n\r\nTEST TIME!\r\n\r\nAsk your instructor for the Practice Test for this unit.\r\n\r\nOnce you\u2019ve done the practice test, you need to do the unit 1 test.\r\n\r\nAgain, ask your instructor for this.\r\n\r\nGood luck!\r\n\r\n<\/div>","rendered":"

                                                                  You will now practice all the skills you learned in Unit 1. Check your work using the answer key at the end of the review.<\/p>\n

                                                                    \n
                                                                  1. Write the place value names (ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions) for each bolded digit.\n
                                                                      \n
                                                                    1. 439<\/strong>2<\/span><\/li>\n
                                                                    2. 765<\/strong><\/li>\n
                                                                    3. 18<\/strong>293<\/span><\/li>\n
                                                                    4. 564<\/strong>28<\/span><\/li>\n
                                                                    5. 36<\/strong>41<\/span>758<\/span><\/li>\n
                                                                    6. 42<\/strong>6153<\/span><\/li>\n
                                                                    7. 8<\/strong>429<\/span>576<\/span><\/li>\n
                                                                    8. 4<\/strong>258<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                    9. Using the number 349285<\/span>106<\/span><\/strong>, write the digit that is in each of the following place values.\n
                                                                        \n
                                                                      1. millions<\/li>\n
                                                                      2. ones<\/li>\n
                                                                      3. ten thousands<\/li>\n
                                                                      4. thousands<\/li>\n
                                                                      5. hundreds<\/li>\n
                                                                      6. hundreds thousands<\/li>\n
                                                                      7. tens<\/li>\n<\/ol>\n<\/li>\n
                                                                      8. Underline the digit for the place value named.\n
                                                                          \n
                                                                        1. hundreds,\u00a0 \u00a0 5321<\/span><\/li>\n
                                                                        2. tens,\u00a0 \u00a0 8703<\/span><\/li>\n
                                                                        3. ten thousands,\u00a0 \u00a0 34891<\/span><\/li>\n
                                                                        4. hundred thousands,\u00a0 \u00a0 891402<\/span><\/li>\n
                                                                        5. thousands,\u00a0 \u00a0 72491<\/span><\/li>\n
                                                                        6. millions,\u00a0 \u00a0 4201<\/span>856<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                        7. Write the word names for the numbers.\n
                                                                            \n
                                                                          1. 818<\/li>\n
                                                                          2. 1678<\/span><\/li>\n
                                                                          3. 29764<\/span><\/li>\n
                                                                          4. 1984<\/span>152<\/span><\/li>\n
                                                                          5. 42803<\/span><\/li>\n
                                                                          6. 226917<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                          7. Write the numerals for these word names.\n
                                                                              \n
                                                                            1. twenty-five thousand one hundred thirty-two<\/li>\n
                                                                            2. one thousand two hundred seven<\/li>\n
                                                                            3. two hundred fifteen thousand twenty-four<\/li>\n
                                                                            4. one million six hundred ninety-five thousand four hundred twenty<\/li>\n
                                                                            5. seven hundred twenty-six<\/li>\n
                                                                            6. nine thousand four<\/li>\n<\/ol>\n<\/li>\n
                                                                            7. Write each number in expanded form.\n
                                                                                \n
                                                                              1. 184<\/li>\n
                                                                              2. 3908<\/span><\/li>\n
                                                                              3. 61281<\/span><\/li>\n
                                                                              4. 1539<\/span>587<\/span><\/li>\n
                                                                              5. 366524<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                              6. Write each number from expanded form.\n
                                                                                  \n
                                                                                1. 50000<\/span>\u00a0 +\u00a0 6000<\/span>\u00a0 + 600\u00a0 +\u00a0 90\u00a0 + 8<\/li>\n
                                                                                2. 200000<\/span>\u00a0 +\u00a0 70000<\/span>\u00a0 +\u00a0 8000<\/span>\u00a0 +\u00a0 200\u00a0 +\u00a0 60\u00a0 + 1<\/li>\n
                                                                                3. 3000<\/span>\u00a0 +\u00a0 800\u00a0 +\u00a0 80\u00a0 + 5<\/li>\n
                                                                                4. 1000<\/span>000<\/span> + 400000<\/span> + 70000<\/span> + 6000<\/span> + 100 + 50 + 3<\/li>\n
                                                                                5. 700\u00a0 + \u00a01<\/li>\n<\/ol>\n<\/li>\n
                                                                                6. Arrange these numbers in order from smallest to largest.\n
                                                                                    \n
                                                                                  1. 18; 34937<\/span>; 727; 1487<\/span>; 147832<\/span><\/li>\n
                                                                                  2. 769; 6790<\/span>; 697; 76976<\/span>; 76796<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                  3. Write <, >, or = in each blank as needed.\n
                                                                                      \n
                                                                                    1. 9698<\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span> 6899<\/span><\/li>\n
                                                                                    2. 7542<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 7452<\/span><\/li>\n
                                                                                    3. 34682<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 39421<\/span><\/li>\n
                                                                                    4. 124693<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 124693<\/span><\/li>\n
                                                                                    5. 738423<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 783423<\/span><\/li>\n
                                                                                    6. 45832<\/span> \u00a0 \u00a0 \u00a0 \u00a0<\/span> 54123<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                    7. Round each number to the nearest hundred.\n
                                                                                        \n
                                                                                      1. 774<\/li>\n
                                                                                      2. 2581<\/span><\/li>\n
                                                                                      3. 21204<\/span><\/li>\n
                                                                                      4. 692<\/li>\n
                                                                                      5. 572098<\/span><\/li>\n
                                                                                      6. 7652<\/span>931<\/span><\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                      7. Round each number to the nearest thousand.\n
                                                                                          \n
                                                                                        1. 948<\/li>\n
                                                                                        2. 75767<\/span><\/li>\n
                                                                                        3. 288869<\/span><\/li>\n
                                                                                        4. 479<\/li>\n
                                                                                        5. 3976<\/span><\/li>\n
                                                                                        6. 5012<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                        7. Round each number to the nearest ten thousand.\n
                                                                                            \n
                                                                                          1. 4028<\/span><\/li>\n
                                                                                          2. 226917<\/span><\/li>\n
                                                                                          3. 126804<\/span><\/li>\n
                                                                                          4. 9794<\/span>487<\/span><\/li>\n
                                                                                          5. 87805<\/span><\/li>\n
                                                                                          6. 5912<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                          7. Round each number to the nearest hundred thousand.\n
                                                                                              \n
                                                                                            1. 687029<\/span><\/li>\n
                                                                                            2. 1326<\/span>876<\/span><\/li>\n
                                                                                            3. 523715<\/span><\/li>\n
                                                                                            4. 4766<\/span>883<\/span><\/li>\n
                                                                                            5. 8182<\/span>390<\/span><\/li>\n
                                                                                            6. 792013<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                            7. Round each number to the nearest million.\n
                                                                                                \n
                                                                                              1. 1009<\/span>627<\/span><\/li>\n
                                                                                              2. 28101<\/span>052<\/span><\/li>\n
                                                                                              3. 894063<\/span><\/li>\n
                                                                                              4. 9778<\/span>656<\/span><\/li>\n
                                                                                              5. 80379<\/span>591<\/span><\/li>\n
                                                                                              6. 3102<\/span>975<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                              7. Word Problems.\n
                                                                                                  \n
                                                                                                1. The three heaviest sharks are the whale shark weighing 30500<\/span> kilograms. The basking shark weighing 9258<\/span> kilograms. The great white shark weighing 3507<\/span> kilograms. Round each number to the nearest thousand.
                                                                                                  \n\n\n\n\n\n\n
                                                                                                  Shark<\/th>\nNumber<\/th>\nRounded Number<\/th>\n<\/tr>\n
                                                                                                  Whale shark<\/th>\n<\/td>\n<\/td>\n<\/tr>\n
                                                                                                  Basking shark<\/th>\n<\/td>\n<\/td>\n<\/tr>\n
                                                                                                  Great White Shark<\/th>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n
                                                                                                2. Three of the largest islands in the world are New Guinea covering 785753<\/span> square kilometers, Baffin Island covering 503944<\/span> square kilometers and Honshu Island covering 227413<\/span> square kilometers. Round each number to the nearest ten thousand.
                                                                                                  \n\n\n\n\n\n\n
                                                                                                  Island<\/th>\nNumber<\/th>\nRounded Number<\/th>\n<\/tr>\n
                                                                                                  New Guinea<\/th>\n<\/td>\n<\/td>\n<\/tr>\n
                                                                                                  Baffin Island<\/th>\n<\/td>\n<\/td>\n<\/tr>\n
                                                                                                  Honshu Island<\/th>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

                                                                                                  Answers to Unit 1 Review – Number Sense<\/h1>\n
                                                                                                    \n
                                                                                                  1. \n
                                                                                                      \n
                                                                                                    1. \u00a0tens<\/li>\n
                                                                                                    2. ones<\/li>\n
                                                                                                    3. thousands<\/li>\n
                                                                                                    4. hundreds<\/li>\n
                                                                                                    5. hundred thousands<\/li>\n
                                                                                                    6. ten thousands<\/li>\n
                                                                                                    7. millions<\/li>\n
                                                                                                    8. thousands<\/li>\n<\/ol>\n<\/li>\n
                                                                                                    9. \n
                                                                                                        \n
                                                                                                      1. 9<\/li>\n
                                                                                                      2. 6<\/li>\n
                                                                                                      3. 8<\/li>\n
                                                                                                      4. 5<\/li>\n
                                                                                                      5. 1<\/li>\n
                                                                                                      6. 2<\/li>\n
                                                                                                      7. 0<\/li>\n<\/ol>\n<\/li>\n
                                                                                                      8. \n
                                                                                                          \n
                                                                                                        1. 53<\/span>21<\/span><\/li>\n
                                                                                                        2. 870<\/span>3<\/span><\/li>\n
                                                                                                        3. 3<\/span>4891<\/span><\/li>\n
                                                                                                        4. 8<\/span>91402<\/span><\/li>\n
                                                                                                        5. 72<\/span>491<\/span><\/li>\n
                                                                                                        6. 4<\/span>201<\/span>856<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                        7. \n
                                                                                                            \n
                                                                                                          1. eight hundred eighteen<\/li>\n
                                                                                                          2. one thousand six hundred seventy-eight<\/li>\n
                                                                                                          3. twenty-nine thousand seven hundred sixty-four<\/li>\n
                                                                                                          4. one million nine hundred eighty-four thousand one hundred fifty-two<\/li>\n
                                                                                                          5. forty-two thousand eight hundred three<\/li>\n
                                                                                                          6. two hundred twenty-six thousand nine hundred seventeen<\/li>\n<\/ol>\n<\/li>\n
                                                                                                          7. \n
                                                                                                              \n
                                                                                                            1. 25132<\/span><\/li>\n
                                                                                                            2. 1207<\/span><\/li>\n
                                                                                                            3. 215024<\/span><\/li>\n
                                                                                                            4. 1695420<\/span><\/span><\/li>\n
                                                                                                            5. 726<\/li>\n
                                                                                                            6. 9004<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                            7. \n
                                                                                                                \n
                                                                                                              1. 100 + 80 + 4<\/li>\n
                                                                                                              2. 3000<\/span> + 900 + 8<\/li>\n
                                                                                                              3. 60000<\/span> + 1000<\/span> + 200 + 80 + 1<\/li>\n
                                                                                                              4. 1000<\/span>000<\/span> + 500000<\/span> + 30000<\/span> +
                                                                                                                \n9000<\/span> + 500 + 80 + 7<\/li>\n
                                                                                                              5. 300 000 + 60 000 + 6 000 + 500 + 20 + 4<\/li>\n<\/ol>\n<\/li>\n
                                                                                                              6. \n
                                                                                                                  \n
                                                                                                                1. 56698<\/span><\/li>\n
                                                                                                                2. 278261<\/span><\/li>\n
                                                                                                                3. 3885<\/span><\/li>\n
                                                                                                                4. 1476<\/span>153<\/span><\/li>\n
                                                                                                                5. 701<\/li>\n<\/ol>\n<\/li>\n
                                                                                                                6. \n
                                                                                                                    \n
                                                                                                                  1. 18,\u00a0 727,\u00a0 1487<\/span>,\u00a0 34937<\/span>,\u00a0 147832<\/span><\/li>\n
                                                                                                                  2. 697,\u00a0 769,\u00a0 6790<\/span>,\u00a0 76796<\/span>,\u00a0 76976<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                  3. \n
                                                                                                                      \n
                                                                                                                    1. ><\/li>\n
                                                                                                                    2. ><\/li>\n
                                                                                                                    3. <<\/li>\n
                                                                                                                    4. =<\/li>\n
                                                                                                                    5. <<\/li>\n
                                                                                                                    6. <<\/li>\n<\/ol>\n<\/li>\n
                                                                                                                    7. \n
                                                                                                                        \n
                                                                                                                      1. 800<\/li>\n
                                                                                                                      2. 2600<\/span><\/li>\n
                                                                                                                      3. 21200<\/span><\/li>\n
                                                                                                                      4. 700<\/li>\n
                                                                                                                      5. 572100<\/span><\/li>\n
                                                                                                                      6. 7652<\/span>900<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                      7. \n
                                                                                                                          \n
                                                                                                                        1. 1000<\/span><\/li>\n
                                                                                                                        2. 76000<\/span><\/li>\n
                                                                                                                        3. 289000<\/span><\/li>\n
                                                                                                                        4. 0<\/li>\n
                                                                                                                        5. 4000<\/span><\/li>\n
                                                                                                                        6. 5000<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                        7. \n
                                                                                                                            \n
                                                                                                                          1. 0<\/li>\n
                                                                                                                          2. 230000<\/span><\/li>\n
                                                                                                                          3. 130000<\/span><\/li>\n
                                                                                                                          4. 9790<\/span>000<\/span><\/li>\n
                                                                                                                          5. 90000<\/span><\/li>\n
                                                                                                                          6. 10000<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                          7. \n
                                                                                                                              \n
                                                                                                                            1. 700000<\/span><\/li>\n
                                                                                                                            2. 1300<\/span>000<\/span><\/li>\n
                                                                                                                            3. 500000<\/span><\/li>\n
                                                                                                                            4. 4800<\/span>000<\/span><\/li>\n
                                                                                                                            5. 8200<\/span>000<\/span><\/li>\n
                                                                                                                            6. 800000<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                            7. \n
                                                                                                                                \n
                                                                                                                              1. 1000<\/span>000<\/span><\/li>\n
                                                                                                                              2. 28000<\/span>000<\/span><\/li>\n
                                                                                                                              3. 1000<\/span>000<\/span><\/li>\n
                                                                                                                              4. 10000<\/span>000<\/span><\/li>\n
                                                                                                                              5. 80000<\/span>000<\/span><\/li>\n
                                                                                                                              6. 3000<\/span>000<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                              7. \n
                                                                                                                                  \n
                                                                                                                                1. \n\n\n\n\n\n\n
                                                                                                                                  Shark<\/th>\nNumber<\/th>\nRounded Number<\/th>\n<\/tr>\n
                                                                                                                                  Whale shark<\/th>\n30500<\/span><\/td>\n31000<\/span><\/td>\n<\/tr>\n
                                                                                                                                  Basking shark<\/th>\n9258<\/span><\/td>\n9000<\/span><\/td>\n<\/tr>\n
                                                                                                                                  Great White Shark<\/th>\n3507<\/td>\n4000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n
                                                                                                                                2. \n\n\n\n\n\n\n
                                                                                                                                  Kilometers<\/th>\nNumber<\/th>\nRounded Number<\/th>\n<\/tr>\n
                                                                                                                                  New Guinea<\/th>\n785753<\/span><\/td>\n790000<\/span><\/td>\n<\/tr>\n
                                                                                                                                  Baffin Island<\/th>\n503944<\/span><\/td>\n500000<\/span><\/td>\n<\/tr>\n
                                                                                                                                  Honshu Island<\/th>\n227413<\/span><\/td>\n230000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
                                                                                                                                  \n

                                                                                                                                  CONGRATULATIONS!!<\/p>\n

                                                                                                                                  Now you have finished Unit 1.<\/p>\n

                                                                                                                                   <\/p>\n

                                                                                                                                  TEST TIME!<\/p>\n

                                                                                                                                  Ask your instructor for the Practice Test for this unit.<\/p>\n

                                                                                                                                  Once you\u2019ve done the practice test, you need to do the unit 1 test.<\/p>\n

                                                                                                                                  Again, ask your instructor for this.<\/p>\n

                                                                                                                                  Good luck!<\/p>\n<\/div>\n","protected":false},"author":90,"menu_order":5,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-46","chapter","type-chapter","status-publish","hentry"],"part":34,"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/chapters\/46","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/wp\/v2\/users\/90"}],"version-history":[{"count":12,"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/chapters\/46\/revisions"}],"predecessor-version":[{"id":775,"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/chapters\/46\/revisions\/775"}],"part":[{"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/parts\/34"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/chapters\/46\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/wp\/v2\/media?parent=46"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/pressbooks\/v2\/chapter-type?post=46"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/wp\/v2\/contributor?post=46"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/alfm2\/wp-json\/wp\/v2\/license?post=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}