Gray 8th grade math review

Multiplication

100

9x5

45

200

15x3

45

300

65x23

1495

400

111x222

24642

500

1001x56

56056

Division

100

3/9

3

200

60/12

5

300

903/3

301

400

2125/5

425

500

9646/13

742

Vocabulary

100

Parenthesis, exponents, multiplication, division, addition, subtraction (PEMDAS)

What is the order of operations?

200

A letter that represents a number in algebra.

What is a variable?

300

The bottom number of a fraction

What is a denominator?

400

To give a share or part of something. Hint starts with a D

What is distribution?

500

A number that goes on forever without repeating. Ie, Pi, 3.14

What is an irrational number?

Fractions

100

.5

1/2

200

.75

3/4

300

10/15

.66

400

9/100

.09

500

99/100

.99

Decimals

100

3/10

.30

200

99/100

.99

300

3/4

.75

400

2/5

.40

500

1/3

.33