Solving Math Word Problems: Equations & Keywords for 3rd Grade

Lily has 15 apples. She gives 7 apples to her friend. How many apples does Lily have left? Write an equation to represent this problem.

• 6

• 10

• 12

• 8

Tom has 20 marbles. He buys 5 more marbles. How many marbles does Tom have now? Write an equation to show this situation.

• 25

• 10

• 30

• 15

A farmer has 30 chickens. He sells 12 chickens. How many chickens does the farmer have after selling some? Write an equation for this problem.

• 20

• 15

• 25

• 18

Sarah read 25 pages of her book. Then she read 10 more pages. How many pages did she read in total? Write an equation to find the answer.

• 35

• 30

• 20

• 40

In a classroom, there are 18 boys and 12 girls. How many students are there in total? Write an equation to represent this situation.

• 28

• 30

• 25

• 32

A toy store had 50 toys. They sold 23 toys. How many toys are left in the store? Write an equation to solve this problem.

• 23

• 30

• 50

• 27

Emma has 40 stickers. She gives 15 stickers to her brother. How many stickers does Emma have now? Write an equation to find the answer.

• 20

• 25

• 35

• 30

There are 60 cookies in a jar. If 25 cookies are eaten, how many cookies remain in the jar? Write an equation to represent this situation.

• 35

• 30

• 50

• 40

Jack has 10 toy cars. He receives 5 more toy cars as a gift. How many toy cars does Jack have now? Write an equation to show this problem.

• 10

• 20

• 15

• 5

A library has 100 books. If 30 books are checked out, how many books are still in the library? Write an equation to find the answer.

• 80

• 60

• 50

• 70