Review Game

Equations

100

Solve for x: x + 15 = 85

70

200

Solve for x: x - 150 = -40

110

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 pigs

200

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

450 miles

300

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

12.5 feet

400

A model of a 220 foot tall building is 25 inches tall and 10 inches wide. How wide is the actual building?

88 feet

500

A model car is made to a scale of 2 to 25. If the model is 15 in long, how long, in inches, is the actual car?

187.5 in

Integers

100

solve -5 cubed

-125

200

Solve: -3 raised to the fourth power

81

300

Solve: -5 + -20 + 15 =

-10

400

Solve: -100 + 40 + 15 + -30 =

-75

500

Solve: -120 + 50 + -40 + 10 =

-100

Statistics

100

Find the mean: 84, 80, 82

82

200

Find the median: 90, 97, 85, 72

87.5

300

Identify the outlier: 2, 10, 4, 6, 50, 2, 12, 20, 14

50

400

Find the upper quartile: 3, 9, 2, 5, 1, 7, 16

9

500

Find the interquartile range: 9, 3, 5, 7, 16, 2, 1

7

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: $50

66.7% increase