Vocab
Adding Integers
Subtracting Integers
Applications
100
Absolute Value
The distance of a number from zero
100
-5 + 9
4
100
-4 - 6
-10
100

Mary has $50. She bought lunch for 15$. How much money does she have left? 

$35

200
Integer
The set of whole numbers and their opposites.
200
-12 + 5
-7
200
4 - 11
-7
200
-10 + 30
20
300
Opposite
The opposite of a number is the same distance from zero as the original number just on the other side.
300
-16 + (-17)
-33
300
15 - (-7)
22
300
21 - (+5)
16
400
|-6|
Absolute value of -6 = 6
400
How do you find the sum of numbers with different signs
Subtract and take the sign of the bigger number
400
-27 - (-3)
-24
400
Subtracting a negative is the same thing as...
Adding a positive
500
6 and -6
Opposites
500
-16+18+-17
-15
500
-10 - 11 - (-3)
-18
500
-10 + (-2) - 5
-17
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