Adding and Subtracting Integers

Vocab

100

Absolute Value

The distance of a number from 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

|-6|

Absolute value of -6 = 6

500

6 and -6

Opposites

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

-45 + (-20)

-65

500

-16 + 18

2

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

-10 - 11 

-21

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 - (+5)

16

400

Rewrite this as an addition problem:

-2 - 13

-2 + (-13)

500

-10 + (-2) 

-12

What's My Opposite?

100

What is the opposite of -10?

10

200

What is the opposite of 15?

-15

300

What is the opposite of -58?

58

400

What is the opposite of 2?

-2

500

What is the opposite of -250?

250