Unit 1: Number Sense
Unit 1 Review: Number Sense
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.
 Count the number of things in each picture. Write the number and word name.
Picture Answer Numeral:
Word Name:Numeral:
Word Name:Numeral:
Word Name:Numeral:
Word Name:Numeral:
Word Name:  Fill in the blanks to make each sentence true. Draw a picture for questions b and e.
 46 means tens and ones.
 25 means tens and ones. Draw your picture below.
 means tens and ones.
 138 = hundreds, tens, ones.
 231 = hundreds, tens, ones. Draw your picture below.
 hundreds tens ones =
 Write the place value names (ones, tens, hundreds) for each individual digit.
 821
 294
 638
 417
 346
 573
 Underline the digit for the place value named.
 hundreds, 164
 tens, 892
 tens, 250
 hundreds, 371
 ones, 485
 ones, 743
 Write the word names for the numbers.
 73
 14
 5
 39
 52
 496
 803
 640
 Write the numerals for these word names.
 fortyseven
 nineteen
 sixtyfive
 thirtyeight
 twentyfour
 five hundred thirtyfive
 three hundred sixty
 two hundred four
 Arrange these numbers in order from smallest to largest.
 258, 32, 23, 282, 345, 534
 452, 208, 27, 335, 635, 155
 Write <, > or = in each blank as needed.
 37 52
 4 0
 349 394
 67 67
 Round each number to the nearest ten.
 37 ≈
 344 ≈
 68 ≈
 25 ≈
 51 ≈
 876 ≈
 How much money do you have?
 cents
 dollars
 cents
 Word problems.
 Hussein’s fruit stand sold 114 watermelons, 287 honeydew melons and 345 cantaloupes. Round each number to the nearest ten.
Melon Number Rounded Number Watermelons Honeydews Cantaloupes  YiMin drove her delivery van 106 kilometres on Saturday, 187 kilometres on Sunday and 285 kilometres on Monday. Round each number to the nearest ten.
Kilometres Number Rounded Number Saturday Sunday Monday
 Hussein’s fruit stand sold 114 watermelons, 287 honeydew melons and 345 cantaloupes. Round each number to the nearest ten.
Answers to Unit 1 Review

 9, nine
 7, seven
 6, six
 8, eight
 5, five

 4 tens, 6 ones
 2 tens, 5 ones
 63, 6 tens, 3 ones
 1 hundred, 3 tens, 8 ones
 2 hundreds, 3 tens, 1 one
 325, 3 hundreds, 2 tens, 5 ones

 hundreds
 tens
 ones
 hundreds
 tens
 ones

 164
 892
 250
 371
 485
 743

 seventythree
 fourteen
 five
 thirtynine
 fiftytwo
 four hundred ninetysix
 eight hundred three
 six hundred forty

 47
 19
 65
 38
 24
 535
 360
 204

 23, 32, 258, 282, 345, 534
 27, 155, 208, 335, 452, 635

 <
 >
 <
 =

 40
 340
 70
 30

 70 cents
 26 dollars
 90 cents


Melon Number Rounded Number Watermelons 114 110 Honeydews 287 290 Cantaloupes 345 350 
Kilometres Number Rounded Number Saturday 106 110 Sunday 187 190 Monday 285 290

CONGRATULATIONS!!
Now you have finished Unit 1.
TEST TIME!
Ask your instructor for the Practice Test for this unit.
Once you’ve done the Practice Test,
You need to do the Unit 1 Test.
Again, ask your instructor for this.
GOOD LUCK!