Worksheet: Modeling Word Problems with One-Step Equations

In this worksheet, we will practice writing an equation to record the answer to a one-step addition or subtraction story problem.

Q1:

Dina made 12 sandwiches for a picnic. At the end of the day, there were 5 left. Write a subtraction sentence that shows this using “?” for the number of sandwiches that were eaten.

• A5 − 7 = ?
• B7 − 5 = ?
• C12 − 7 = ?
• D12 − ? = 5
• E? − 5 = 12

Q2:

Shady bought some stickers. He gave 3 to his friend and he had 11 left. Find the subtraction sentence that shows this using “?” for the number of stickers he bought.

• A14 − 11 = ?
• B11 − 3 = ?
• C? − 3 = 11

Q3:

Farida had 11 toy cars. She was then given some toy boats. In total, she had 15 toy vehicles. Write an addition sentence that shows this using “?” for the number of boats.

• A15 + ? = 11
• B11 + 15 = ?
• C4 + ? = 15
• D11 + ? = 15
• E? + 4 = 11

Q4:

Select the word problem whose answer is .

• A There were 11 fewer girls than boys at a summer camp. There were 52 boys. How many girls were there?
• B There were 11 more girls than boys at a summer camp. There were 52 boys. How many girls were there?

Q5:

There were 31 tomatoes and 43 strawberries growing in Sarah’s garden. She picked 8 tomatoes and 11 strawberries when they ripened. Find the equation that shows how many strawberries are still growing in her garden.

• A
• B
• C
• D
• E