Representing and Solving Problems Involving Addition and Subtraction Within 20

I have 3 crayons. I wish I had 10 crayons. How many crayons do I need?

• 4 crayons

• 2 crayons

• 7 crayons

Decrease is a keyword that is used with ________ problems.

• Addition

• Subtraction

___ + 1 = 20

• 19

• 18

• 17

• 16

Find the difference.

• 
• 
• 

Lucas has 12 stickers. He gives 4 to his friend. How many stickers does Lucas have left? 

• 7

• 8

• 9

• 10

Joseph has eight stamps. His parents gave him three more stamps. How many stamps does Joseph have now?

• 11 stamps

• 12 stamps

• 13 stamps

• 5 stamps

16 - 8 =

• 9

• 10

• 7

• 8

A kindergarten class went outside for recess. Seven kids were playing football. Six were jumping rope. 5 were playing chase. 3 were swinging. How many kids are in the kindergarten class?

• 22 kids

• 21 kids

• 18 kids

• 21

13 - 7 =

• 6

• 5

• 8

• 7

8-4=

• 0

• 4

• 3

• 12