Estimating and Checking: Fun with Word Problems in Math

Lily has 5 apples. She buys 3 more. How many apples does she have now? (Estimate: 5 + 3)

• 6

• 7

• 8

• 9

Tom has 10 marbles. He gives 4 to his friend. How many marbles does Tom have left? (Estimate: 10 - 4)

• 8

• 7

• 6

• 5

A box has 6 cookies. If you eat 2, how many cookies are left? (Estimate: 6 - 2)

• 0

• 2

• 4

• 6

Sarah has 8 balloons. 3 balloons pop. How many balloons does she have now? (Estimate: 8 - 3)

• 4

• 5

• 7

• 6

There are 12 students in a class. If 5 go to lunch, how many are left? (Estimate: 12 - 5)

• 6

• 8

• 10

• 7

A farmer has 15 chickens. He sells 7. How many chickens does he have now? (Estimate: 15 - 7)

• 10

• 12

• 6

• 8

You have 4 toy cars. Your friend gives you 2 more. How many toy cars do you have? (Estimate: 4 + 2)

• 5

• 4

• 6

• 7

In a garden, there are 9 flowers. If 3 flowers bloom, how many are still closed? (Estimate: 9 - 3)

• 5

• 7

• 4

• 6

A pizza has 8 slices. If you eat 3 slices, how many slices are left? (Estimate: 8 - 3)

• 4

• 6

• 7

• 5

There are 20 books on a shelf. If 5 books are taken away, how many books remain? (Estimate: 20 - 5)

• 10

• 25

• 15

• 5