Algebra/Geometry

Vocabulary

100

the name for the unknown number that is represented with a letter

variable

200

the name for a number whose value will always remain the same (no variable)

constant

300

the number in front of a variable in a variable term

EX: 5x (what is the 5 called?)

co-efficient

400

Numbers, symbols and operations (such as + and ×) grouped together that represent the value of something

expression

500

A mathematical expression that shows the value of the expression using an equal sign

equation

Variable Operations

100

2x + 5x = 

7x

200

2x - 5x

-3x

300

2x·5x

10x²

400

x³·x⁵

x⁸

500

(x³)⁴

x¹²

Equations

100

3x + 9 = 30

x = 7

200

4(2x-5) = 60

x = 10

300

x/3 + 5 = 20

x = 5

400

3x + 10 = 2x

x = 5

500

Teacher CHOICE

Algebra

Combine Like Terms

100

3x + 6 -5x

-2x + 6

200

4y -3 + 7 -2

4y+2

300

3y -3x +4 -2y +5X 

2x+y+4

400

-5y + 5x +5 -5Y-5x-5

10y

500

2+x-x+z+y-z+2

y+4

Geometry

100

Perimeter of a rectangle with a L of 10in and H of 5in

30in

200

Area of a rectangle with a Length of 10cm and a height of 20cm

200cm2

300

Are all sides of a square always equal?

yes

400

What is the name of a shape with 8 sides

Octagon

500

Volume of a rectangle H=10cm W=5cm L=5cm

250cm3