Equations: Adding/Subtracting (WP)

Write an algebraic equations to represent the situation. Define your variable.

There were 32 students in Jaden’s class eating lunch. Then, more students joined Jaden’s class. Now there are 86 total students eating lunch. How many students joined Jaden’s class?

Write an algebraic equation to represent the situation.

There are two first grade classes at a school. There are 16 students in one class. There are 28 total students in first grade. How many students are in the other class?

Write an algebraic equation for the following situation.

Nancy had 37 peaches left at her roadside fruit stand. She went to the orchard and picked more peaches to stock up the stand. There are now 63 peaches at the stand, how many did she pick ?

Write an algebraic equation for the following situation.

Joan found 51 seashells on the beach, she gave Alyssa some of them. She has 45 seashells left. How many seashells did she give to Alyssa ?

Write an algebraic equation for the following situation

After paying $5.12 for a salad, Nora has $27.10. How much money did he have before buying the salad?

There were 25 bales of hay in the barn. Keith stacked more bales in the barn today. There are now 76 bales of hay in the barn. How many bales did he store in the barn?

• 94

• 51

• 67

There were 3 roses in the vase. Jessica cut some more roses from her flower garden. There are now 27 roses in the vase. How many roses did she cut?

• 24

• 30

• 42

Sam has 21 books in his library. He bought several books at a yard sale over the weekend. He now has 78 books in his library. How many books did he buy at the yard sale ?

• 89

• 57

• 75

Tim had 47 peaches left at his roadside fruit stand. He went to the orchard and picked more peaches to stock up the stand. There are now 65 peaches at the stand, how many did he pick?

• 23

• 124

• 18

There are 37 rose bushes currently in the park. Park workers will plant more rose bushes today. When the workers are finished there will be 87 rose bushes in the park. How many rose bushes did the workers plant today ?

• 50

• 117

• 45