Adding and Subtracting Integers (K and P)

Vocab

100

what is Absolute Value?

The distance of a number from zero

200

what are Integers

The set of whole numbers and their opposites.

300

what is Opposite

The number that is the same distance from zero as the original number just in the other direction on the number line.

400

what is the Absolute value |-6|

 -6 = 6

500

What is 6 and -6?

Opposites

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-6 + (-7)

-13

400

How do you find the sum of numbers with different signs

Subtract and take the sign of the bigger number

500

-6+8

2

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-12 - (-3)

-9

500

-10 - 8

-18

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 - (+5)

16

400

Subtracting a negative is the same thing as...

Adding a positive

500

-10 + (-2) - 5

-17

3 problems mix

100

-3 + -2 + -4 (Hint: Go left to right.)

-9

200

9 + -1 + -7 (Hint: Go left to right.)

1

300

7 - 8 + 4 (Hint: Go left to right.)

3

400

4 - (-2) + (-6) (Hint: Go left to right.)

0

500

-3 + 5 - 4 - (-7) (Hint: Go left to right.)

5