Adding and Subtracting Integers

VOCAB

100

a number less than zero is ___

negative 

200

SUM

The result of adding two numbers together 

300

DIFFERENCE 

the result of subtracting one number from another 

400

If a number is DESCENDING it is

decreasing

500

If a number is ASCENDING it is

rising / increasing

ADDING INTEGERS

100

-5 +9

4

200

-16 + (-16)

-32

300

-21+32

11

400

How do you find the sum of numbers with different signs? ex (-3 + 4) 

subtract and take sign of bigger number

500

-30+18+(-17)

-29

SUBTRACTING INTEGERS

100

-4-6

-10

200

15-23

-8

300

15- (-32)

47

400

-10 + (-2) – 5

-17

500

-28-22-(-3)

-47

MIX

100

-12-3

-15

200

-20+30

10

300

an opposite number has the same distance from 

zero (0)

400

Subtracting a negative is the same thing as

adding a positive

500

-32 + (-12) – 7

= -51