Adding and Subtracting Integers Evaluate Expression

Use the number line to find the sum.
3 + (-12) =

• -9

• 9

• -15

• 15

• -5 + 3 = -2
• 5 + (-3) = 2
• 5 + 3 = 8
• -5 + (-3) = -8

Step 1: Add your numbers
Step 2: Keep your signs
These steps apply to which rule?

• Adding Integers Rule (for same signs)

• Subtracting Integers Rule (for same signs)

• Multiplying Integers Rule (for same signs)

• Dividing Integers Rule (for same signs)

What equation is modeled?

• 15 + 25 = -10

• 15 + -25 = -10

• -10 + 15 = -10

• -25 + 15 = -10

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

Match each expression to it's value.

• -12

• -6 - (-6)

• 12

• 6 - (-6)

• 0

• -6 - 6

Evaluate the expression:
- I 13 I - 7 + 2

• -18

• 8

• -8

• -4

Match

• 11

• 72(-3)

• 29

• -3 + 14

• 12

• 18 + (-6)

• 3

• -7 - (-10)

• -216

• 24 - (-5)

Evaluate the following:

(-45) + 60 - 15 = ?

• 30

• -30

• 0

• -90

-11 - (-5) + (-9) =

• -15

• 15

• -25

• 7