Adding and Subtracting Integers

Vocab

200

Integer

The set of whole numbers and their opposites.

300

Opposite

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

400

6 and -6

Opposites

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

-16+18+-17

-15

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

-27 - (-3)

-24

400

-10 - 11 - (-3)

-18

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 - (+5)

16

400

-10 + (-2) - 5

-17

Rules

100

Subtracting a negative is the same thing as...

Adding a positive

200

When multiplying 2 negative numbers together, the answer is a ....

positive

300

When dividing a negative number, by a positive, the answer is ....

negative number

400

How do you find the sum of numbers with different signs

Subtract and take the sign of the bigger number