Unit 2: Adding and Subtracting Decimals
Unit 2 Review
- Find the sum:
- 4.87 + 3.91 + 0.33 + 5.68 =
- 0.187 + 28.27 + 8.039 + 4.44 =
- 5.38 +4.7102 + 24.003 +0.78 =
- 3.912 + 46 + 72.04 + 19.19 =
- Solve the following word problems:
- Cynthia spent $4.53 on butter, $10.97 on a big bag of flour and $3.50 on eggs. How much did she spend?
- A seaplane pilot is finding the weight of the freight and passengers on her next flight. The freight weighs 800.25 kg. All of the passengers together weigh 452.5 kg. How much is the total weight on the flight?
- Use a ruler or metre stick to measure the edges of the top of the table where you are sitting. Draw and label a diagram and then use your measurements to find the perimeter.
- Find the difference:
- 82.07 − 14.86 =
- 89.506 − 16.039 =
- $72.53 − $51.30 =
- $7 − $0.31 =
- Solve the following word problems:
- Babies often lose a bit of weight in the first few days after they are born. They then usually go on to grow quite quickly. When Oliver was first born, he weighed 3.36 kg. When he was two days old, he weighed 3.19 kg. How much weight did he lose?
- Jules is installing trim around a doorway. The perimeter of the door is 5.78 m. Jules will not be putting trim on the base of the doorway. If the base of the doorway measures 0.85 m, how much trim should she purchase?
- Carissa is helping her relatives calculate a budget for a memorial feast. Her family has $575 saved up. Several friends and family members have made contributions totaling $360. The expenses will include $120 for a hall rental, $85.50 for table and chair rental, $50 for a microphone and sound system, $45.68 for insurance coverage, and $600 for gifts. How much money will Carissa’s family have left after the expenses?
- Reading a transaction record. Look at the following statement and answer the questions on the following page:
Transaction Record Date Transactions Debit Credit Running Balance Balance Forward 559.58 2022-04-20 CASH DEPOSIT 200.00 2022-04-21 INTERAC PAYMENT Kaien Island Optometry 74.53 2022-04-29 DEPOSIT CANADA CHILD TAX CREDIT 89.70 2022-05-01 Electric Funds Transfer PAYCHEQUE 609.74 2022-05-08 Internet Banking INTERNET BILL PAY BC HYDRO 52.46 2022-05-08 INTERAC PAYMENT FEES 1.75 2022-05-10 INTERAC PAYMENT Safeway 73.02 2022-05-10 INTERAC PAYMENT FEES 1.89 2022-05-12 CASH WITHDRAWAL 60.00 - Complete the running balance column. You may use a calculator.
- How much was the pay transfer?
- What amount is the child tax credit?
- What day was the cash withdrawal made?
- How much was the cash deposit?
- Why do you think there is a fee for the gas station and grocery store purchases?
Answers to Unit 2 Review
- Find the sum.
- 14.79
- 40.936
- 34.8732
- 141.142
- Solve the word problems.
- $19.00
- 1252.75 kg
- Find the difference.
- 67.21
- 73.467
- $21.23
- $6.69
- Solve the word problems.
- Oliver lost 0.17 kg or 170 g.
- Jules should purchase 4.93 m of trim.
- Carissa’s family will have $33.82 left.
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Transaction Record Date Transactions Debit Credit Running Balance Balance Forward 559.58 2022/04/20 CASH DEPOSIT 200.00 759.58 2022/04/21 INTERAC PAYMENT Kaien Island Optometry 74.53 685.05 2022/04/29 DEPOSIT CANADA CHILD TAX CREDIT 89.70 774.75 2022/05/01 Electric Funds Transfer PAYCHEQUE 609.74 1384.49 2022/05/08 Internet Banking INTERNET BILL PAY BC HYDRO 52.46 1332.03 2022/05/08 INTERAC PAYMENT FEES 1.75 1330.28 2022/05/10 INTERAC PAYMENT Safeway 73.02 1257.26 2022/05/10 INTERAC PAYMENT FEES 1.89 1255.37 2022/05/12 CASH WITHDRAWAL 60.00 1195.37 - $609.74
- $89.70
- May 12, 2022
- $200.00
- Some banks charge people for using their debit cards at places other than the bank.
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Test time!
Please see your instructor to get your Practice Test.
When you are confident, you can write your Unit 2 Test and/or do the Unit 2 Assignment.
Congratulations!