Math Review

Whole Numbers

100

64 / 16 + 16

20

200

135 / 3 - 17 x 2

11

300

97 - 75 / 5 x 3 + 68

120

400

Evaluate if t=12, w=10, x=9, y=4, z=3

tx-wz

78

500

Evaluate if t=12, w=10, x=9, y=4, z=3

ty+wx / z

78

Integers

100

-9 + 3 + -15

-21

200

|-8x8| / 4

16

300

(80 x -3) - (67 x -3)

-39

400

If Mrs. Jacobs has $4 in her bank account, got paid $124, bought 3 printers that cost $58.5 each, found $20 on the ground, and then bought dinner for $10.98, how much money does she have left? 

-$38.48

500

Solve for X

-3 - 1/7x = -11

-13 = 1 -1/2x

2x + -2 = -6

56

28

-2

Rational Numbers

100

5 1/6 + 7 2/5

12 17/30

200

5 1/4  /  2 1/3

2 1/4

300

18/21 = 6/n

n=7

400

Turn 7/16 into a decimal

0.4375

500

Express the ratio in lowest terms

2m to 85 cm

40:17

% and Geometry

100

Turn 3/8 into a percentage

37.5%

200

What is the surface area of a cube with a side length of 4 cm?

96cm²

300

70% of what number is 84?

120

400

What is the surface area of a box with the following dimensions 2m by 5m by 6m? What is its volume?

Surface Area: 104m²

Volume: 60m³

500

What is the total amount due of a $1200 loan, paid over 18 months, at a 13% annual interest rate?

$1434

Random

100

Square root of 9 plus the square root of 169

16

200

3³+2⁴

43

300

Simplify the expression

3x + 4 - 6x + 8 - 10 + y - 3y

-3x-2y +2

400

Find the mean, median, range, and mode of the following:

17, 11, 9, 13, 7, 21, 8, 18

Mean: 13

Median: 12

Mode: none

Range:14

500

Solve for y

y/25=16/y

20