Rounding Decimals: Estimation Skills for 4th Graders

A bakery made 12.7 kg of bread. If they round this to the nearest whole number, how much bread did they make?

• 13

• 12

• 14

• 15

Lily has 3.4 meters of ribbon, and her friend has 2.8 meters. Who has more ribbon when rounded to the nearest whole meter?

• Both have the same amount of ribbon.

• Her friend has more ribbon than Lily.

• Lily has more ribbon than her friend.

• Lily has 4 meters of ribbon.

A bottle contains 5.6 liters of juice. If you pour out 2.3 liters, how much juice is left when rounded to the nearest whole number?

• 3

• 5

• 4

• 2

Tom read 4.5 books last month and 3.9 books this month. How many books did he read in total when rounded to the nearest whole number?

• 10

• 7

• 8

• 9

A car travels 15.2 kilometers in the morning and 9.7 kilometers in the evening. How far did the car travel in total when rounded to the nearest whole number?

• 20

• 30

• 25

• 24

Sarah bought 2.5 kg of apples and 3.3 kg of oranges. How much fruit did she buy in total when rounded to the nearest whole number?

• 6

• 8

• 7

• 5

A fish tank holds 10.8 liters of water. If you fill it with 7.4 liters, how much more water do you need to fill it to the nearest whole number?

• 4

• 3

• 2

• 5

In a classroom, there are 22.5 pencils and 18.3 erasers. How many more pencils than erasers are there when rounded to the nearest whole number?

• 3

• 4

• 6

• 5

A farmer harvested 15.6 kg of tomatoes and 9.4 kg of cucumbers. How many kilograms of vegetables did he harvest in total when rounded to the nearest whole number?

• 22

• 25

• 30

• 20

A library has 45.7 books on science and 32.2 books on history. How many books does the library have in total when rounded to the nearest whole number?

• 78

• 70

• 80

• 75