Solving Unknowns: Fun Addition & Subtraction Challenges

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

• 3

• 5

• 4

• 2

Tags

CCSS.1.OA.A.1

Tom has 10 marbles. He gives some marbles to his friend and now has 6 marbles left. How many marbles did he give away?

• 5

• 4

• 3

• 2

Tags

CCSS.2.OA.A.1

There are 4 birds on a tree. 3 more birds join them. How many birds are there in total?

• 7

• 5

• 10

• 3

Tags

CCSS.2.OA.C.3

Sarah has 7 stickers. She loses some stickers and now has 4 left. How many stickers did she lose?

• 6

• 3

• 5

• 2

Tags

CCSS.2.OA.A.1

A box has 9 chocolates. If 3 chocolates are eaten, how many chocolates are left in the box?

• 0

• 3

• 9

• 6

Tags

CCSS.2.OA.A.1

Jake has some toy cars. He buys 5 more and now has 12 toy cars. How many toy cars did he have before?

• 10

• 5

• 8

• 7

Tags

CCSS.2.OA.A.1

Emma read 6 books last month. This month, she read 4 more books. How many books has she read in total?

• 8

• 10

• 12

• 15

Tags

CCSS.2.OA.A.1

There are 15 students in a class. If 5 students go home, how many students are still in the class?

• 10

• 12

• 15

• 5

Tags

CCSS.2.OA.A.1

A farmer has 20 apples. He sells some apples and has 12 apples left. How many apples did he sell?

• 5

• 8

• 10

• 15

Tags

CCSS.2.OA.A.1

Mia has 3 balloons. Her friend gives her 7 more balloons. How many balloons does Mia have now?

• 12

• 10

• 5

• 8

Tags

CCSS.1.OA.A.1