Rounding Decimals: Real-Life Math Challenges for 4th Graders

A bottle holds 1.5 liters of water. If you drink 0.3 liters, how much water is left? Round your answer to the nearest tenth.

• 1.0

• 1.2

• 1.5

• 0.9

A pencil costs $0.75 and an eraser costs $0.45. How much do they cost together? Round your answer to the nearest tenth.

• 0.9

• 1.5

• 1.0

• 1.2

A runner completed a race in 12.6 minutes. If she runs another lap in 3.4 minutes, how long did she take for both laps? Round to the nearest tenth.

• 15.0

• 17.5

• 16.0

• 14.2

A bag of flour weighs 2.3 kilograms. If you use 0.8 kilograms for a recipe, how much flour is left? Round your answer to the nearest tenth.

• 1.0

• 1.8

• 2.0

• 1.5

A book costs $9.99. If you buy 3 books, how much will you spend? Round your answer to the nearest tenth.

• 27.5

• 32.0

• 25.0

• 30.0

A car travels 15.7 miles on a gallon of gas. If it uses 2 gallons, how many miles does it travel? Round to the nearest tenth.

• 31.4

• 35.2

• 30.0

• 28.5

A toy costs $5.49. If you have $20, how much money will you have left after buying the toy? Round your answer to the nearest tenth.

• 10.5

• 12.0

• 14.5

• 15.0

A garden has 3.6 square meters of space. If you plant flowers that take up 1.2 square meters, how much space is left? Round to the nearest tenth.

• 1.8

• 2.4

• 2.0

• 3.0

A bottle of juice is 1.2 liters. If you pour out 0.5 liters, how much juice remains? Round your answer to the nearest tenth.

• 0.7

• 0.5

• 1.0

• 1.2