Decimal Mastery: Add, Subtract, and Multiply in Real Life

Lily bought 3.5 meters of ribbon for $2.75 per meter. How much did she spend in total? If she later found a coupon for $3 off, how much did she pay after using the coupon?

• $8.00

• $5.50

• $7.25

• $6.63

A baker made 4.2 kg of dough. He used 1.5 kg for bread and 1.8 kg for pastries. How much dough does he have left?

• 2.5 kg

• 1.2 kg

• 3.0 kg

• 0.9 kg

Tom has $50.25. He buys 3 books that cost $12.99 each. How much money does he have left after his purchase?

• $11.28

• $15.75

• $25.00

• $30.50

A car travels 15.6 miles on 0.4 gallons of gas. How many miles can it travel on 2 gallons of gas?

• 78 miles

• 45 miles

• 90 miles

• 60 miles

Sarah bought 2.5 kg of apples for $3.20 per kg and 1.8 kg of bananas for $2.50 per kg. How much did she spend in total?

• $10.00

• $12.50

• $8.75

• $15.30

A toy costs $15.75. If a store has a sale of 20% off, how much will the toy cost after the discount?

• $12.60

• $10.50

• $13.25

• $14.00

A gardener planted 3.5 meters of flowers in one row and 2.75 meters in another. How many meters of flowers did he plant in total?

• 5.5 meters

• 7.0 meters

• 6.0 meters

• 6.25 meters

A restaurant bill is $45.60. If a customer leaves a tip of 15%, how much is the total amount paid?

• $50.00

• $55.00

• $52.44

• $48.00

Emma has 10.5 liters of juice. She uses 2.3 liters for a party and then buys another 5.2 liters. How much juice does she have now?

• 13.4 liters

• 8.2 liters

• 15.7 liters

• 12.0 liters

A school bought 4.5 boxes of pencils, each costing $3.25. If they later found a discount of $5 on the total purchase, how much did they pay after the discount?

• $12.00

• 9.625

• $8.75

• $10.50