Estimating with Math: Word Problems for Grade 4

1. Sarah has 45 apples. She gives 18 apples to her friend. How many apples does she have left? Use estimation to check your answer.

• 27

• 25

• 30

• 35

2. A baker made 120 cookies. He packed them into boxes of 12 cookies each. How many boxes did he fill? What is the remainder?

• 9 boxes, remainder 3

• 11 boxes, remainder 1

• 8 boxes, remainder 4

• 10 boxes, remainder 0

3. Tom has 56 marbles. He buys 34 more marbles. How many marbles does he have now? Estimate the total before calculating.

• 100

• 70

• 90

• 80

4. A farmer has 250 strawberries. He sells 75 strawberries at the market. How many strawberries does he have left? Use estimation to verify.

• 175

• 200

• 100

• 150

5. There are 36 students in a class. If they are divided into groups of 6 for a project, how many groups will there be? What is the remainder if they cannot be evenly divided?

• 6 groups, remainder 1

• 6 groups, remainder 0

• 7 groups, remainder 2

• 5 groups, remainder 1

6. Lisa read 45 pages of her book on Monday and 30 pages on Tuesday. How many pages did she read in total? Estimate the total pages read.

• 50 pages

• 90 pages

• 60 pages

• 75 pages

7. A toy store has 150 toys. If they sell 45 toys in a day, how many toys are left? Use estimation to check your answer.

• 120

• 150

• 95

• 105

8. A pizza is cut into 8 slices. If 3 slices are eaten, how many slices are left? If you had 3 pizzas, how many slices would remain after eating?

• 21 slices

• 15 slices

• 24 slices

• 18 slices

9. A library has 500 books. If 125 books are checked out, how many books are still in the library? Estimate the number of books left.

• 400

• 500

• 250

• 375

10. There are 90 candies in a jar. If you share them equally among 8 friends, how many candies does each friend get? What is the remainder?

• Each friend gets 10 candies, remainder 10.

• Each friend gets 11 candies, remainder 2.

• Each friend gets 12 candies, remainder 6.

• Each friend gets 9 candies, remainder 18.