Integer Rules
When multiplying 2 negative numbers the answer will always be...
positive
The sum?
-2+ 1/2
-1 1/2
-3/2 - 4/3
-2 5/6
-2/3 * -15/4
2 1/2
-2/3 / 1/4
-2 2/3
When dividing 2 numbers with different signs the answer will always be...
Negative
-3/8 + -1/4
-5/8
3/5 - 4 3/8
-3 31/40
-4/9 * 3/8
-1/6
-1/3 / -4/5
5/12
What phrase helps us to remember what to do when subtracting integers?
Keep, change, change
-5/7+ 2 4/7
1 6/7
-11/6 - -1/3
-1 1/2
-6/7 * -21/36
1/2
-5/6 / 2/3
-1 1/4
If we add 2 negative numbers will the answer be negative or positive?
negative
-2 3/5 + -2/3
-3 4/15
9/8 - 2/7
47/56
100 * -3/10
-30
3/4 / -5/6
-9/10
Explain how to add 2 numbers with different signs.
Subtract the absolute values and take the sign of the larger number
-3 5/7 + -3 5/6
-7 23/42
-1/3 - -10/7
1 2/21
-5/7 * 14/3
-3 1/3
-3/5 / 3
-1/5