Find the Unknown Number

26 + ? = 28

• 2

• 54

• 20

• 3

? + 73 = 77

• 44

• 140

• 4

• 64

? + 70 = 79

• 17

• 149

• 9

• 70

? + 54 = 55

• 10

• 1

• 109

• 99

• 
• 
• 
• 

A school collects cans for a food drive. Third-graders collected 327 cans. Third-graders collected 138 more cans than second-graders. How many cans did the second grade collect?

• 289

• 211

• 189

• 111

Tory sold 18 vacuums. She has delivered 7 of them. How many vacuums does Tory have left to deliver? 

• 11

• 25

• 21

• 10

What is 5 + 3 + 4 =

• 8

• 12

• 14

• 17

An art teacher had 736 crayons.

She threw away 197 broken crayons. Then she bought 150 more crayons. Which equation shows how to find the number of crayons the art teacher has now?

• A

• B

• C

• D

What is 4 + 3 + 6 =

• 2

• 15

• 13

• 19