Adding Integers with the Same Sign
Write the steps you use to add integers with the same sign.
1. Absolute Value
2. Add
3. Use the (+) or (-) from the original equation.
Write the steps you use to add integers with opposite signs.
1. Absolute Value
2. Big - Small
3. Use the (+) or (-) of the bigger number.
What are the rules for subtracting integers?
Keep, Change, Change
What are the rules for multiplying and dividing integers?
+ and + = +
+ and (-) = (-)
(-) and (+) = (-)
(-) and (-) = +
What does PEMDAS stand for?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
2 + 2
4
4 + (-2)
2
-2 - 3
-5
(-10)(5)
-50
(5 x 6)2 + 5
210
-2 + (-2)
-4
3 + (-7)
-4
-14 - 5
-19
(-2)(-9)
18
24
-45 + (-8)
-53
-2 + (3)
1
25 - (-4)
29
45/(-5)
-9
9 + 4 - 2 x 6
1
4578 + 352,618
357,196
-15 + 6
-9
36 - (-4)
40
-64/(-8)
8
25/5 + 6 - 8 x 2
-5