Pre-Algebra Jeopardy

Expressions & Equations

100

Evaluate: -6+7-(-2)+1

4

200

Evaluate the expression: 2*[ (9+3) / 4 ]

6

300

Insert parentheses so that the value of the expression is 14:

2 * 2 + 3² - 4 + 3 * 5

(2 * 2 + 3)² - (4 + 3)*5

400

Solve the equation: 8z=4(2z+1)

No solution

500

Chris pays $0.29 for each digital photo he prints. Debbie bought a $180 printer and pays $0.14 for each photo in paper and ink. After how many prints will Chris and Debbie have paid about the same?

1,200 prints

Solving Equations

100

Solve the equation: 1-(-2)+5x-x=-3+2x-1

x=-7/2 or x=-3.5

200

Solve the equation: 3-(x-4)+2=5x+8-7x

x=-1

300

Solve the equation: 14+2(4g-3)=40

g=4

400

Solve the equation: 5h+2(11-h)=-5

h=-9

500

How many solutions does the equation 3(x-3)=3x-6 have?

None!

Equations w/ Decimals

100

Solve the equation: 0.41=0.05x+0.06+0.02x

x=5

200

Solve the equation: 8.9+1.2(3a-1)=14.9

a=2

300

Solve the equation: 1.3t+3(t+8.2)=37.5

t=3

400

Solve the equation: 0.5 = 4.1x - 2*(1.3x-4)

x=-5

500

Solve the equation: -(-x+5)+8=(-1/2)x + 16.5

x=9

Equations w/ Fractions

100

Solve the equation: (2/5)*(3x+4)=10

x=7

200

Solve the equation: (1/3)*(d+3)=5

d=12

300

Solve the equation: (4/3)*(7-n)=12

n=-2

400

Solve the equation: -32=(8/7)*(3w-1)

w=-9

500

Solve the equation: (1/8)*(5x+64) = (1/2)*(20+2x)-4

x=16/3

Proportions

100

Solve: 3 / 4 = z / 16

z=12

200

Solve: -5x / 4 = 15 / 2

x=-6

300

Solve: (4x+1) / (10x) = -3 / 8

x=-4/31

400

A karate studio offers a 6 week session for $175. How much would you expect to pay for a 9 week sessions?

$262.50

500

Solve: 0.03 / (2x-10) = 0.12 / (x+9)

x=7