Adding and Subtracting Integers

Vocab

100

The distance of a number from zero

Absolute Value

200

The set of whole numbers and their opposites, and zero.

Integers

300

A pair of numbers that are the same distance from zero

Opposite

400

Evaluate    |-6|

Absolute value of -6 = 6

500

6 and -6 are axamples of ________ .

Opposites

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

What is a strategy for Adding Integers?

- Tug of War

- Counters

- Number line

- Song

500

-16+18+-17

-15

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

What is a strategy for Subtracting Integers?

- K.I.S.S.

- Counters