Solve One-Step Equations: Find the Unknowns!

Lily has 5 apples. She buys some more apples and now has 8 apples. How many apples did she buy?

• 4

• 5

• 2

• 3

Tags

CCSS.1.OA.A.1

Tom has 12 marbles. He gives away some marbles to his friend and now has 9 marbles left. How many marbles did he give away?

• 5

• 4

• 2

• 3

Tags

CCSS.2.OA.A.1

A box contains 15 chocolates. If 7 chocolates are eaten, how many chocolates are left in the box?

• 6

• 10

• 5

• 8

Tags

CCSS.2.OA.A.1

Sarah has a collection of 20 stickers. She gives away some stickers to her friend and now has 14 stickers. How many stickers did she give away?

• 8

• 10

• 6

• 4

Tags

CCSS.2.OA.A.1

There are 10 books on a shelf. If 3 more books are added, how many books are on the shelf now?

• 13

• 15

• 12

• 10

Tags

CCSS.1.OA.A.1

Mike has 18 toy cars. He loses some cars and now has 15 toy cars. How many toy cars did he lose?

• 3

• 5

• 4

• 2

Tags

CCSS.2.OA.A.1

Emma has 25 balloons. If she pops 10 balloons, how many balloons does she have left?

• 20

• 15

• 5

• 10

Tags

CCSS.2.OA.A.1

A farmer has 30 eggs. He sells some eggs and now has 22 eggs left. How many eggs did he sell?

• 12

• 8

• 5

• 10

Tags

CCSS.2.OA.A.1

In a classroom, there are 28 students. If 5 students go home early, how many students are still in the classroom?

• 30

• 25

• 23

• 20

Tags

CCSS.2.OA.A.1

Jack has 40 candies. He shares some candies with his friends and now has 32 candies left. How many candies did he share?

• 5

• 8

• 15

• 10

Tags

CCSS.2.OA.A.1