Mr. Kerby's Jeopardy

One-Step Equations

100

5 + x = 12

x = 7

200

x -7 = 10

x = 17

300

x/8 = 8

x = 64

400

1/2x = 27

x = 54

500

3/7x = 21

x = 49

Two-Step Equations

100

2x + 5 = 11

x = 3 

200

x/5 -12 = 1

x = 65

300

5 - 6x = -25

x = 5

400

2(x +5) = -6

x=-8

500

-6(x-3) = -42

x=10

Substitution

100

If x = 3 y=?

5x=y

y=15

200

If x =40 y=?

x/8 =y

y=5

300

if x = 3 y =?

2(x+3) - 5 + 10 = y 

y=17

400

If x = -12 y = 4 z = ?

-5( x - y) = z

z = 80

500

if x = ? y = 3 z = -4

2(x - y) = z

x = -1

Random

100

Convert to mixed number

8/5

1 3/5

200

2/3 + 4/3 - 6/3 = ?

0

300

15/24 - 10/27 = ?

55/216 or 165/648

400

Simplify

4 10/35 - 1 1/7 = ?

3 1/7

500

5 2/7 - 3 3/8= ?

1 51/56

Review

100

-5 + -10 = ?

-15

200

-27 + 23 = ?

-4

300

-13(4) = ?

-52

400

-12 + 4 - (-98) = ?

-90

500

Simplify Fraction

36/42

6/7