Adding and Subtracting Integers

Vocab

100

What is neutral?

Zero

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

What is the rule for subtracting integers?

Same, change, opposite

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

-100 + 40

-60

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 - (+5)

16

400

-19 - (-19)

0