Pre-Algebra Jeopardy!!! :-)

Equations

100

Solve for x: x + 15 = 85

70

200

Solve for x: x - 15 = -15

0

300

Solve for x: x - 23 = -65

-42

400

Solve for x: -3x - 26 = 160

-62

500

Solve for x: 5x - 14 = 3x + 20

17

Proportions

100

There are 3 pigs for every 5 cows. How many pigs are there if there are 100 cows?

60

200

3 feet represents 50 miles... How many miles will 27 feet represent?

450

300

A 25 foot flagpole has a 10 foot shadow. Find the height of a person with a 5 foot shadow.

12.5

400

A person who weighs 120 pounds on Earth weighs 20 pounds on the Moon.  How much does a 93-pound person weigh on the Moon?

15.5 pounds

500

Forty-eight pens are packaged in 4 boxes.  How many pens are packaged in 9 boxes?

108 pens

Integers

100

-3 + (7)

4

200

5(-2)(-4)

40

300

-5 + -20 + 15

-10

400

-100 + 40 + 15 + -30

-75

500

-120 + 50 + -40 + 10

-100

Decimals and Fractions

100

Write 0.15 as a fraction in simplest form

3/20

200

Write 3/8 as a decimal

0.375

300

When adding and subtracting fractions, you must have what?

common denominators

400

Dividing decimals is the same as 'multiplying by the __________'

reciprocal

500

(1/5) * (3/4) * (1/2)

3/40

Percents

100

Find 25% of 200.

50

200

Find 50% of 250.

125

300

Find the sale price on a winter coat regularly priced at $250 and on sale with a 20% discount.

$200

400

Find the percent of decrease: original price: $25 sale price: $15

40% decrease

500

Find the percent of increase: original price: $ 30 new price: $75

150% increase