Expressions and Equations Grudgeball EOY Review

Vocabulary

100

-3  and + 3,   multiply by 6  and divide by 6,   +12  and -12, are all examples of __________________

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Inverse Operations

200

Another word for the letters used in expressions and equations.

Variable

300

5(x+3)  = 5x + 15   is an example of __________.

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Distributive Property

400

In the expression 5x + 13, the number 13 is a ___________.  This is a term without a variable.

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Constant

500

When we get a variable by itself on one side of an equation 

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Isolate

Simplifying expressions

100

Simplify:

10x + 7 + 4x + 15

14x + 22

200

Simplify:

9 + 7x - 11 - 12x

-5x - 2

300

Simplify -2(4x - 9)

-8x + 18

400

Simplify:

3(x+2) + 2x

5x + 6

500

Simplify:

5x - 4(-5x + 7) + 4

25x - 24

One Step Equations

100

x+5 = -9

-14

200

a - 7 = 32

39

300

8x = -24

x = -3

400

x/4 = 10

40

500

2/3x =8

x =12

Two Step Equations

100

2x-5=11

x=8

200

2x + 1 = 5

x=2

300

x/3-4=11

x=5

400

-10 = -2x + 12

x = 11

500

5/3x-7=13

x = 12

Multi-Step equations

100

x + 6 + x = 14

x = 4

200

10 + z = 3z

z = 5

300

2x + 5 = 3x + 3

x = 2

400

3x - 12 = -4x + 2

x=2

500

-10z + 15 + 4z = -8 + 2z + 15

z = 1