Adding and Subtracting Integers

What is the first question you should ask yourself when adding integers?

• Do I have same sign or different sign?

• KFC?

When adding integers, if you have the same sign, you should......

• add

• subtract

• multiply

• divide

When adding integers, if you have different signs, you should......

• add

• subtract

• multiply

• divide

positive + positive =

• positive

• negative

• the answer will have the sign of the larger integer in the problem

Solve the problem.
-100 - 52

• -152

• 48

• -48

• 152

Solve the problem.
-4 - 10

• -4

• 4

• 14

• -14

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 - 0

• -4

• 0

• 4

• -1

Solve the problem.
5 - 8

• 3

• -3

• 13

• -13

Solve the problem.
-42 - (-12)

• -30

• -54

• 30

• 54