Adding and Subtracting Decimals Word Problems

Lacy and Gerald gave their heights for a school survey. Lacy's height is 51.25 inches. Gerald's height is 46.65 inches. How many inches taller is Lacy than Gerald?

• 4.6 inches

• 5.4 inches

• 15.4 inches

• 15.6 inches

Luis bought a bottle of water at the gym for $2.85, including tax. If he paid for it with a $5.00 bill, how much change should he have received?

• $2.15

• $3.15

• $3.85

• $7.85

Maria bought a bicycle lock with a $10.00 bill. The bicycle lock cost $6.27. How much change did Maria get back?

• $3.73

• $4.27

• $14.83

• $16.27

Grace needs to buy two yards of fabric for a school project. If the fabric is $7.96, how much change will she get back if she pays with a $20 bill?

• $27.96

• $12.04

• $12.40

• $12.30

Maya bought paints and brushes at the craft store for $32.87. How much should she receive back if she gave the cashier a $50 bill?

• $17.13

• $18.13

• $19.13

• $20.13

An apple weighs 0.16 kg. A slice of watermelon weighs 0.25 kg. How much more does the slice of watermelon weigh than the apple?

• 0.09 kg

• 0.9 kg

• 9 kg

• 0.009 kg

Johanna worked 4 hours at a bookstore and earned $30.20. She also works 3 hours at a car wash and earned $24.45. How much did she earn in all?

• $47.65

• $50.65

• $54.65

• $61.65

Mrs. Hau has $20. She spends $2.15 on a Slurpee and $6.58 on candy. How much money does Mrs. Hau have left?

• $28.73

• $11.27

• $17.85

• $13.42

Ms. Stigall buys shoes and a top for $47.82 and $13.36 She gives $100. What's her change?

• $61.18

• $161.18

• $49.18

• $38.82

Mr. Stone traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

• 31.9 hours

• 30 hours

• 31 miles

• 31.8 hours