Match the following models with the correct addition and subtraction expressions.

• -4 + 7

• 
• 4-7

• 
• 7 - 4

• 
• 7 + (-4)

• 
• -4 - (-7)

• 

Answer explanation

Order matters in models! Be sure to look at where the expression begins.

Tags

CCSS.7.NS.A.1B

Which two expressions create this model?

• 4 - 1

• -1 - (-5)

• 4 + (-1)

• -1 + 5

Tags

CCSS.7.NS.A.1B

Which two expressions create this model?

• -9 + -4

• -4 + (-5)

• -9 - 4

• -4 - 5

Tags

CCSS.7.NS.A.1B

Which two expressions create this model?

• 8 + 3

• 11 - 8

• 8 - (-3)

• 11 + (-8)

Tags

CCSS.7.NS.A.1B

Solve the problem.
5 - 8

Mathematical Equivalence

ON

Which equation is represented by the model below?

• -5 + 3 = -2

• 5 + (-3) = 2

• 5 + 3 = 8

• -5 + (-3) = -8

Which addition equation goes with this image? (a)  

• (+6) + (-3) = (+3)
• (+3) + (-3) = 0
• (-6) + (+3) = (-3)
• (+6) + (-3) = (+9)

• 34

• 16

• 14

• 36

5 - 8 - 4=

-7 - 2 + 9

• 0

• 9

• 5

• -5