Estimating Costs and Quantities with Decimals

A store sells a pack of 3.5 kg of rice for $12.75. How much would 2 packs cost? Estimate your answer by rounding the price to the nearest dollar.

• $15

• 26

• $20

• $30

Tags

CCSS.5.NBT.B.7

If a recipe requires 0.75 liters of milk and you want to make 4 batches, how many liters of milk do you need in total? Round your answer to the nearest tenth.

• 3.0 liters

• 1.5 liters

• 4.0 liters

• 2.5 liters

A car travels 2.4 miles per gallon of gas. If the car has a 15-gallon tank, how far can it travel on a full tank? Estimate your answer by rounding the miles per gallon to the nearest whole number.

• 20 miles

• 40 miles

• 30 miles

• 15 miles

A book costs $8.99. If you buy 5 books, how much will you spend? Round your answer to the nearest dollar.

• $30

• $50

• $40

• 45

Tags

CCSS.5.NBT.B.7

A baker uses 0.6 kg of flour for each batch of cookies. If she makes 7 batches, how much flour does she use in total? Estimate your answer by rounding the amount of flour per batch to the nearest whole number.

• 10 kg

• 8 kg

• 5 kg

• 7 kg

Tags

CCSS.5.NBT.B.7

A bottle holds 1.5 liters of juice. If you have 4 bottles, how many liters of juice do you have in total? Round your answer to the nearest tenth.

• 3.0

• 8.0

• 4.5

• 6.0

A gardener plants 2.3 meters of flowers in each row. If he has 5 rows, how many meters of flowers does he plant in total? Estimate your answer by rounding the meters per row to the nearest whole number.

• 15 meters

• 12 meters

• 8 meters

• 10 meters

Tags

CCSS.5.NBT.B.7

A toy costs $14.50. If you buy 3 toys, how much will you pay? Round your answer to the nearest dollar.

• 36

• 44

• 50

• 30

Tags

CCSS.5.NBT.B.7

A school has 0.8 acres of land for a playground. If they want to divide it into 4 equal sections, how much land will each section have? Estimate your answer by rounding the total land to the nearest whole number.

• 0.2 acres

• 0.25 acres

• 0.3 acres

• 0.4 acres

A bottle of soda costs $1.25. If you buy 8 bottles, how much will it cost? Round your answer to the nearest dollar.

• $8

• $15

• $12

• 10

Tags

CCSS.5.NBT.B.7