Rules
Adding With Like Signs
Adding With Unlike Signs
Vocab
Decimals/Fractions
100

When is the sum zero when integers are added?

When they are the same number one pos & one neg.

100
8 + 9 =
17
100

4 + -4

0

100

A pair of integers who cancel out 

What is a zero pair?

100

4.2 +  3

7.2

200

How do you find absolute value?

It's the positive value of the number

200
-7 + -5 =
-12
200
9 + -7 =
2
200

Two integers that are the same number one positive value and one negative.

What is  "opposites"?

200

1/4  +  3/8

5/8

300

What is the procedure for adding integers with like signs?

Add them and keep the same sign.

300
79 + 89 =
168
300
34 + -3 =
31
300

The distance from zero that is always a positive value

What is absolute value?

300
7.78 + .92 =
8.7
400
What is the procedure for adding integers with unlike signs?
Subtract and take the bigger numbers sign.
400
-67 + -22 =
-89
400
-678 + 3 =
-675
400

The formal term for a number added to it's opposite equaling zero

What is "Additive Inverses"?

400

-2.1 + 3.45

1.35

500

What is the procedure for adding fractions?

Find a common denominator and add the numerators

500
-1234 + -4567 =
-5801
500
8976 + -9 =
8967
500

Any positive or negative number, or zero, but not any fractions or decimals

What is an Integer?

500

4.25 + -13.640

-9.39