Integers & Expressions Review

Math Properties

100

Any number (x) multiplied by 0 equals what?

0

200

Any number (x) multiplied by 1 equals what?

that number (x)

300

What are the letters used in algebra called?

variables

400

Which two operations are commutative?

addition & multiplication

500

What is the reciprocal/inverse of 8?

1/8

Operations with Integers

100

-8 + 5

-3

200

2-9

-7

300

-5-4

-9

400

10-(-3)

13

500

-6*10

-60

Distributive Property

100

3(4x + 2)

12x+6

200

-5(-4m+2)

20m-10 or 20m+(-10)

300

-3(5-2z)

-15+6z or 6z-15

400

4(3v-5w)

12v-20w

500

-2(11a+15b-7)

-22a-30b+14

Simplifying Expressions

100

3x+6+5x

8x+6

200

-4y+5-3+4y

2

300

3(7x-5)+9

21x-6 or 21x+(-6)

400

12(10-r)-20

100-12r or 100+(-12r)

500

3(5+2g)+2(7g-6)

20g+3