You're Officially 8th Graders

Order of Operations

100

5 + 8 x 2 - 7

14

200

13 + 5 x 4

33

300

3 x 7 - 5 + 4

20

400

36 - 3 x 2 x 4

12

500

(100 - 25) x 2 + 25

175

Variables and Expressions

100

Evaluate the expression: a=1 & y=10

y-a

9

200

Evaluate the expression: a=1, b=2

ab

2

300

Evaluate the expression: a=1, b=2, y=10

ab + y

12

400

Evaluate the expression: a=3, b=5

2ab

30

500

Evaluate the expression: x=2, y=4

5x - y

6

The Distributive Property

100

(3 x 8) + (3 x 2)

30

200

(2 x 9) + (2 x 11)

40

300

8y + 2y

10y

400

8y + 2y + y

11y

500

(13 x 6) + (7 x 6)

120

Solving Equations using Inverse Operations

100

6x=42

x=7

200

13 + a = 23

a=10

300

30=10k

k=3

400

56 + q=56

q=0

500

r - 0=56

r=56

Random Questions

100

What is the absolute value of -15?

15

200

What is a coefficient? 

A coefficient is a number multiplied by a variable.

300

-8 x 7=

-56

400

5³⁼

125

500

What is the greatest common factor of 22 & 55? 

11