Adding and Subtracting Integers on a Number Line

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

• -4 + 7

• 
• 4-7

• 
• -4 - (-7)

• 
• 7 + (-4)

• 
• 7 - 4

• 

Answer explanation

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

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

Which two expressions create the model?

• 6 - 3

• 6 + (-3)

• 3 + 3

• 3 - (-3)

Tags

CCSS.7.NS.A.1B

Which two expressions create this model?

• -2 - 3

• -2 + (-3)

• -5 - (-2)

• -5 + 2

Tags

CCSS.7.NS.A.1B

Which two expression create this model?

• -2 + 6

• 4 + (-6)

• 4 - 6

• -2 - (-6)

Tags

CCSS.7.NS.A.1B

Match the following models to the correct equations

• 0 + (-6) = -6

• 
• 3 + (-8) = -5

• 
• 3 - 8 = -5

• 
• 5 + (-8) = -3

• 
• 0 - 6 = -6

• 

Answer explanation

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

What expression is modeled.

• 10 - 14

• 14 - 10

• 10 - 4

• -4 + 10

What expression is modeled?

• -10 + 12

• -12 - 10

• 10 + 2

• 2 + 10