Adding and Subtracting Integers

Use the number line to find the sum.

3 + (-12) =

• -9

• 9

Use the number line to find the sum.

-4 + (-5) =

• -9

• 9

What equation is modeled?

• 6 + -6 = -6

• -6 + 6 = 12

• 6 + -12 = -6

What is the expression for the number line?

• 6 + (-3)

• (-3) + 6

• 6 + (-9)

Solve the problem.
-42 - (-12)

• -30

• -54

• 30

• 54

Coach Bob’s football team lost 8 yards, gained 5 yards, and lost 2 yards on their first 3 plays from the line of scrimmage.
The team’s current position is ​​ (a)   yards relative to the original line of scrimmage.
The additive inverse,​ (b)   represents the number of yards the team needs to gain in order to return to the original line of scrimmage.

• -5

• 5

• 15

• -15

Solve the problem.
-4 - 10

• -4

• 4

• 14

• -14

Match the following

• ( -6)

• (-3) + (-3)

• - 4

• ( 10) + (5) + (-3)

• 12

• 3-7

Match

• 3

• 24 - (-5)

• 29

• 18 + (-6)

• 12

• -3 + 14

• 11

• 72(-3)

• -216

• -7 - (-10)

Solve the problem.
5 - 8

• 3

• -3

• 13

• -13