Integer Subtraction with Models

• 7
• 5
• -7
• -5

What about when we subtract a negative number?

• -1

• 1

• 9

• -9

A subtraction sign means I will move ________on the number line.

• right

• left

15 - 21

• 6

• 26

• -6

• -26

• A
• B
• C
• D

Which of the following expressions best represents the model?

• -6 + 3

• 3 - 6

• -6 - (-3)

• -3 - 6

Which of the following expressions best represents the model?

• 5 - 7

• 5 - 12

• -7 + 12

• -7 + 5

Which of the following is the correct subtraction model for (-3) - (-8) ?

• 
• 
• 
• 

(-87) - (-31) = 

• -56

• 56

• 111

• -111

(-2) - (-56) = 

• 54

• -54

• 58

• -58