Solving One-Step Equations: Fun with Models and Checkups

Lily has 12 apples. She gives away some apples to her friend. If she has 8 apples left, how many apples did she give away?

• 6

• 2

• 4

• 10

Tom has 15 marbles. He buys 5 more marbles. How many marbles does Tom have now?

• 25

• 15

• 10

• 20

A box contains 20 chocolates. If 7 chocolates are eaten, how many chocolates are left in the box?

• 5

• 13

• 15

• 10

Sarah has 10 stickers. She finds 4 more stickers. How many stickers does she have in total?

• 16

• 8

• 12

• 14

There are 18 students in a class. If 5 students go home early, how many students are still in the class?

• 8

• 15

• 10

• 13

A farmer has 25 cows. He sells 10 cows. How many cows does the farmer have now?

• 10

• 20

• 15

• 5

Emma has 30 balloons. She gives 12 balloons to her friends. How many balloons does she have left?

• 25

• 18

• 20

• 15

A library has 50 books. If 15 books are checked out, how many books remain in the library?

• 40

• 25

• 35

• 30

Jack has 40 toy cars. He donates 15 toy cars to charity. How many toy cars does Jack have now?

• 20

• 30

• 35

• 25

A baker made 60 cookies. If he sells 22 cookies, how many cookies does he have left?

• 22

• 30

• 38

• 40