First

Vocabulary

100

A letter in place of an unknown number

What is a Variable?

200

Pairs of operations that 'undo' each other

What are Inverse Operations?

300

Two fractions with a product of 1

What is the Multiplicative Inverse?

(Reciprocal)

400

A decimal that ends

What is a Terminating Decimal?

500

A number that can be written as a fraction

What is a Rational Number?

Integer Operations

100

7 + (-3)

4

200

8 - (-4)

12

300

(-5)(-4)

20

400

15/(-5)

-3

500

-10 - 5

-15

One-Step

100

5x=30

x=6

200

.25x=2

x=8

300

(1/5)x=7

x=35

400

(4+(1/4))x=51

12

500

5+x=-19

-24

Two-Step

100

3x+4=25

x=7

200

4x+12=24

x=3

300

15-2x=11

x=2

400

56=6+5x

10

500

81=9(4+x)

x=5

Spiral

100

x*x*x*x*x*y*y*x

x⁶y²

200

x⁴ * x⁵

x⁹

300

(10x⁴y³)/(2xy²)

5x³y

400

Convert 48,900,000 to Scientific Notation

4.89 * 10⁷

500

(3x⁴y³z⁵)²

9x⁸y⁶z¹⁰