Addition
Subtraction
Multiplication
Division
Rules / Key Words
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100

9x = 27

What is 3

100

y/6 = 2

What is 12

100

Daily Double!

What does inverse mean?

What is opposite.

200
a + 13 = 10
What is -3
200
d - 7 = -9
What is -2
200

7x = 63

What is 9

200

x/4 = 4

What is 16

200

To isolate means?

What is get alone. 

300

n + 8 = 14

What is 6

300

k - 18 = -20

What is -2

300

Daily Double!

-5e = -40

What is 8

300

x/6 = -6

What is -36

300

A variable is?

What is a letter. 

400

x + 36 = 100

What is 64

400

Daily Double!

x - 3 = 25

What is 28

400

-11x = 77

What is -7

400

-18 = a/3

What is -6

400

The inverse of multiplication is?

What is division.

500

-27 = c + (-27)

What is 0

500

a - (-1) = -3

What is -4

500

-2y = -80

What is 40

500

-8 = x/5

What is -40

500

An equation has?

What is an equal sign.