Relationship between Addition and Subtraction

50+ ____= 80

• 30

• 20

• 10

• 0

Tags

CCSS.2.NBT.B.5

90-50=_____

• 20

• 40

• 30

• 10

Tags

CCSS.1.NBT.C.5

The answer to an addition problem is called the ______.

• ten

• one

• difference

• sum

Tags

CCSS.2.OA.C.3

16+5=____

• 13

• 22

• 20

• 21

Tags

CCSS.1.OA.A.1

There are 3 children on the bus. 27 more children get on. How many children are on the bus altogether?

• 30

• 32

• 31

• 20

Tags

CCSS.2.OA.A.1