PreAlgebra Review

Words...

100

In the number 5062973, what is the value of 6?

Ten Thousand

200

Arrange them from least to greatest: -1, 4, -7, 0, 7, 5

-7, -1, 0, 4, 5, 7

300

Use unit multipliers to convert 58 meters to centimeters (100cm = 1m)

5800cm

400

Use unit multipliers to convert: 48 ounces to pounds. (16 ounces = 1 pound)

3lb

500

Find the range, mode, median, and mean:

9, 8, 2, 4, 5, 4, 6

range: 7 mode: 4 median:5 mean:5.43

Operations

100

Simplify: 2⁶

64

200

Subtract: 44.016-0.1422

43.8738

300

Divide: 43.24/0.027

1601.48

400

Use order of operation: 4 + 3 x 6 - 2 x 3

16

500

Simplify: 55 - 3[(4-1)(10-6)+2]

13

Equations

100

Find 2/3 of 30

20

200

What number is 3/4 of 15

11(1/4)

300

Solve for x: x-6=12

x=18

400

Evaluate xy + yx if x=2 and y=4

16

500

Chestnuts cost 40 cents for 2 ounces.

How many ounces of chestnuts can Joan buy for $1.20?

6 ounces

Fractions

100

Mixed number to improper fraction: 5(2/3) and 6(7/8)

17/3 and 55/8

200

Convert improper fraction to a mixed number: 14/3 and 23/5

4(2/3) and 4(3/5)

300

Simplify: 6/21 · 14/30 ÷ 6/15

1/3

400

7(1/5) - 4(2/3)

2(8/15)

500

Solve for x: x + (1/2) = (3/4)

x = 1/4

More Fractions

100

Decimal to fraction: 0.85

17/20

200

Simplify: 4/5 ÷ 10/5

2/5

300

2(1/5)+3(1/10) 

5(3/10)

400

Solve for x: 4x = 1/3

x=1/12

500

4(2/3) ÷ 1(1/6) · 2(1/3) ÷ 1(2/3)

5(3/5)