Vocab
Adding Integers
Subtracting Integers
Mix
100

What is an integer?

The set of whole numbers and their opposites.

100
-5 + 9
4
100
-4 - 6
-10
100
-2 - 3
-5
200

What does the opposite of a number mean?

The opposite of a number is the same distance from zero as the original number just on the other side.

200
-12 + 5
-7
200
4 - 11
-7
200
-10 + 30
20
300

What does debt mean?

Money that you owe. 

300
-16 + (-17)
-33
300
15 - (-7)
22
300
21 - (+5)
16
400

Example of opposite numbers

Answer will vary 

E.g., -7 and +7

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

What is a zero pair?

A set of numbers that when added together make zero (e.g., -2 and +2)

500
-16+18+-17
-15
500
-10 - 11 - (-3)
-18
500
-10 + (-2) - 5
-17
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