Adding and Subtracting Integers Rules

When adding integers with the same sign you ________________.

• Subtract and keep the sign of the larger number.

• Add and keep the sign.

A negative PLUS a negative will give you what on your final answer.

• Positive

• Negative

When subtracting integers you must________________________.

• Subtract like normal.

• Keep the first sign, keep it a subtracting problem, and find the reciprocal of the second integer.

• Keep the first sign, keep it a subtracting problem, and find the opposite of the second integer.

• Keep the first sign, change it to addition, find the opposite of the second integer, use your adding rules.

-6 − 2

• 8

• -4

• 4

• -8

-21 + 14

• positive

• negative

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

• -216

• 72(-3)

• 12

• 18 + (-6)

• 3

• -3 + 14

• 11

• -7 - (-10)

• 29

• 24 - (-5)

What is the rule for adding two negatives?

• Add and Keep

• Absolute value and subtract

-6 + 4 =

• -2

• 2

• 10

• -10

-5 − (-7)

• -12

• 12

• 2

• -2