Find the Missing Number Addition and Subtraction

Which number sentences can represent this strip diagram
Select ALL the ones that could be right!!!!

• 42 - 16 = ?

• 16 + ? = 42

• 42 + 16 = ?

• ? + 16 = 42

Sarah had 25 pencils. John gave her some more pencils. Now Sarah has 43 pencils. How many pencils was she given?

• 
• 
• 
• 

Which number sentences represent this question? Select ALL that correctly represent the problem.

Billy has 29 fewer pencils than Juan. If Billy has 64 pencils, how many pencils does Juan have?

**Draw a strip diagram to help you!!!**

• 64 - ? = 29

• 29 + 64 = ?

• 64 + 29 = ?

• 93

Abigail has some money in her bank account. She adds $49 in the month of June. Now, she has $84. How much did she start with?

• 45

• 53

• 35

• 133

What unknown number makes this equation true?

743 + 7 = 700 + _____

• 750

• 50

• 700

• 2

• 3

• 4

• 5

Complete the missing number.

Find the unknown. 35 - ___ = 35

• 35

• 0

• 1

• 10

Juan had 32 bottle caps. After he gave some to his brother Dario, he had 17 left.

Which number sentence shows one way to find the number of bottle caps Juan gave to Dario?

• 32 ÷ 17 = ?

• 32 + ? = 17

• 32 + 17 = ?

• 32 - ? = 17

What number is missing from the following equation?
90-?=60

• 3

• 150

• 30

• 300