Vocab
Adding Integers
Subtracting Integers
Mix
Strategies
100
Absolute Value
The distance of a number from zero
100
-5 + 9
4
100
-4 - 6
-10
100
-2 - 3
-5
100

What strategy do we use for

subtraction?

Add the opposite

200
Integer
The set of whole numbers and their opposites.
200
-12 + 5
-7
200
4 - 11
-7
200
-10 + 30
20
200

How do you add integers if the 

signs are the same?

Keep the sign


Add the numbers

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
300

How do you add integers if the 

signs are the different?

Take the sign of the bigger number


Subtract the numbers

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
400

How do you change a mixed 

number into an improper

fraction?  (You can use an example)

To find the numerator - multiply the denominator time the whole number and add the numerator

The denominator stays the same

500
6 and -6
Opposites
500
-16+18+-17
-15
500
-10 - 11 - (-3)
-18
500
-10 + (-2) - 5
-17
500

How do you change an improper fraction into a mixed number?  (You can use an example)

Divide!

Numerator divided by 

denominator

M
e
n
u