Unit 2 Review: Fractions, Decimals, Percents

Conversions

100

What is 1/2 as a decimal?

0.5 or 0.50

200

What is 3/4 as a percent?

75%

300

What is 20% as a fraction?

1/5

400

What is 0.6 repeating as a fraction?

2/3

500

What is the fraction of 12.5%?

1/8

Operations with Fractions

100

ADD:

3/4 +3/4

Simplify if you can. Keep the answer as an improper fraction.

3/2

200

MULTIPLY:

1  2/3 x 5/6

Simplify if you can. Make the answer a mixed number.

1  7/18

300

SUBTRACT:

9/10 - 15/40

Simplify if you can.

21/40

400

DIVIDE:

5 ÷ 2  1/5

hint: change to a decimal if you can

2.27 bar notation

500

DIVIDE:

3  3/4 ÷ 4  1/2

Hint: change to a decimal if you can

0.8333... (3 bar notation)

Operations with Decimals

100

13.96 + 4.025

17.985

200

120 - 34.82

85.18

300

1.7(1.35)

2.295

400

0.725 ÷ 25

0.029

500

1.35 ÷ 0.003

450

Fractions and Decimals

100

Make this decimal a fraction:

0.45

9/20

200

Make this fraction a decimal:

11/25

0.44

300

Make this decimal a fraction:

5.24

5  6/25

400

Make this decimal a fraction:

3.625

3  5/8

500

Make this fraction a decimal:

4  5/6

4.8333....