Using Models to Solve Word Problems and Check Answers

Tom has 12 marbles. He gives 4 to his friend. Use a model to find out how many marbles Tom has left. Check if your answer makes sense.

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• 10

• 4

A box can hold 10 toys. If you have 25 toys, how many boxes do you need? Draw a diagram to help you solve this. Is your answer reasonable?

• 5

• 4

• 2

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Sarah read 15 pages of a book on Monday and 10 pages on Tuesday. How many pages did she read in total? Use a model to check your work.

• 25 pages

• 30 pages

• 15 pages

• 20 pages

There are 8 birds on a tree. If 3 more birds join them, how many birds are there now? Draw a picture to help you solve this problem. Is your answer reasonable?

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• 12

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A pizza is cut into 8 slices. If you eat 3 slices, how many slices are left? Use a diagram to show your work and check if your answer is reasonable.

• 4 slices left

• 5 slices left

• 6 slices left

• 3 slices left

In a garden, there are 5 rows of flowers with 4 flowers in each row. How many flowers are there in total? Draw a model to help you solve this. Is your answer reasonable?

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• 24

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A toy costs $15. If you have $50, how many toys can you buy? Use a model to find your answer and check if it makes sense.

• 5

• 3

• 4

• 2

Emma has 20 stickers. She gives 7 to her friend. How many stickers does she have left? Draw a picture to help you solve this problem. Is your answer reasonable?

• 10

• 5

• 13

• 15

A farmer has 30 apples and sells 10. How many apples does he have now? Use a model to check your answer and see if it is reasonable.

• 30

• 20

• 15

• 25