Equations Review Jeopardy

Inverse Operations

100

What is the opposite of addition (+)?

Subtraction (-)

200

What is the opposite of division (÷)?

Multiplication (x)

300

How might I cancel out a -2 (minus two) in an equation?

+2 (plus two)

400

How might you cancel out a X 9 (times nines) in an equation?

÷9 (divided by nine)

500

If you are cancelling out a X 4 (times four) and a - 2 (minus two), which one do you cancel out first? What do you use to cancel it out?

-2 (Use a +2 to cancel it out)

Addition & Subtraction Equations

100

Solve for x:

x + 4 = 6

x = 2

200

Solve for x:

x - 7 = 13

x = 20

300

Solve for x:

x + 4 - 5 = 9

x = 10

400

Solve for x:

4 + x = -15

x = -19

500

Solve for x:

-12 + x - 4 = 9

x = 25

Multiplication & Division Equations

100

Solve for x:

10x = 40

x = 4

200

Solve for x:

x ÷ 3 = 9  

x = 27

300

Solve for x:

12x = -96

x = -8

400

Solve for x:

x ÷ 11 = 16

x = 176

500

Solve for x:

x ÷ (-18) = -5

x = 90

Multi-Operation Equations

100

Solve for x:

2x + 4 = 6

x = 1

200

Solve for x:

3x - 2 = 13

x = 5

300

Solve for x:

41 = 12x - 7

x = 4

400

Solve for x:

x ÷ 3 + 6 = 8

x = 6

500

Solve for x:

x ÷ (-2) + 7 = -12

x = 38