Adding and Subtracting Integers

Adding Integers

100

-10+0

-10

200

-79+36

-43

300

-8+(-10)

-18

400

How do you find the sum of numbers with different signs

Subtract and take the sign of the bigger number

500

-89+(-45)+9

-125

Subtracting Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

How do you subtract Integers

Change the operation to addition, the change the sign of the last digit then proceeds to addition.

500

-16+18+(-17)

-15

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

-10 - 11 - (-3)

-18

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 -5

16

400

KCC means?

Keep, Change, Change

500

-10 + (-2) - 5

-17

Adding Integers

100

4+6

10

200

-10+10

0

300

-15+12+(-3)

-6

400

-78+65+13

0

500

-95+(-15)+10+1

-99