Adding
How do you add integers with the same sign?
add them & keep the sign
What 3 words have we been using to help use how to subtract integers?
Keep, Change, Change
-250/5
-50
What are integers?
Whole numbers & their opposites.
(...-2, -1, 0, 1, 2...)
|5|
5
How do you add integers with different signs?
Subtract and keep the sign of the greatest absolute value.
Write as an addition problems (Keep, Change, Change,)
-2 - (-5)
-2 + 5
-120/40
-3
Absolute Value is always positive.
True or False?
True
|-45|
45
50/(-50)=
-1
What is absolute value?
"the distance a is from zero"
|-32|
32
(-56)/(-8)=
What is 7
What are counting numbers?
Numbers that are used for counting.
(1, 2, 3...)
- |-9|
-9
(-9)+(-20)=
-29
-45 - (-23)
-22
-76/0
0
What are whole numbers?
Counting numbers & zero
(0,1,2,3...)
Absolute value can be negative.
True or False?
False