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

The temperature at 1:00 pm is 5 degrees below zero.  Between 2:00 pm and 5:00 pm, the temperature drops another 7 degrees.  Write an expression that describes the situation.

-5-7

200

Integer

The set of whole numbers and their opposites.  They can be positive or negative.

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

What expressions is equal to 5 + (-2)? 

5 - 2

300

Opposite

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

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

-30 and 70 have a difference of?

100

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 number with the greater absolute value

400
-27 - (-3)
-24
400

Subtracting a negative is the same thing as...

Adding a positive

adding its opposite

400

Solve:

2 1/4 - 5 3/4 = 

-4 2/4 or -4 1/2

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

Solve: -4.1 + 2.8 =

-1.3

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