What is the opposite of -9?
9
-73.5 + 92.4
18.9
2 and 2/3 + 4 and 1/6
6 and 5/6
8.7 + (-7.51)
1.19
4
Add the following:
2 + (-4)
-2
Add the following:
-9 + 9
0
Add the following:
-3 + -11
-14
Add the following:
1/2 + 1/2
1
Positive plus positive =
POSITIVE
Negative plus negative =
NEGATIVE
When adding with one and one, what do you do to get the number
Subtract
What are the rules for subtracting integers?
Keep-Change-Opposite
-9 - (-11)
2
Subtract the following:
6 - 10
-4
- 3 - 8
-11
9 + -8
1
Subtract the following:
-25 - (-25)
0
TRUE OR FALSE: You use KCO for addition problems.
FALSE
Add the following:
-1/4 + 1/2
1/4
What is the additive inverse?
When you add a positive and a negative together to equal zero
-10 + 8 + (-12) + 16
2
Subtract the following:
-4 - 8 - (-10) - (-9)
11
Subtract the following:
1/4 - (-1/4) + 1/8
TRUE OR FALSE: You use KCO for subtraction problems, then use your two negative, two positive, or one and one rule.
TRUE