Cash Money
What is the opposite of -9?
9
What is always true about absolute value?
Always positive
What are 3 types of rational numbers?
fraction, decimals, mixed numbers, whole numbers, integers, etc.
8 ____ 7
>, <, =
>
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 different signs, what are the 2 steps to take?
1. Subtract
2. Take the sign with the greater absolute value.
What are the rules for subtracting integers and rational numbers?
Keep-Change-Change
or
Add-the-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: The rules for adding integers are not the same for adding rational numbers.
FALSE
Add the following:
-1/4 + 1/2
1/4
10
-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: The rules for subtracting integers are the same as those for subtracting rational numbers.
TRUE