Chapter 3

Rational Numbers

100

Write each decimal as a fraction.

0.7

7/100

200

Write each decimal as a fraction.

0.44

44/100

300

Write each decimal as a fraction.

0.05

5/100

400

Colton's grade on his math test was an 83%.  Write this as a fraction. 

83/100

500

Jeremy ran a mile in 5 minutes and 8 seconds.  Write this time as a decimal.

5.13 minutes

Compare and Order Rational Numbers

100

Which one is bigger?

37.5%  or   2/3

2/3

200

Which one is bigger?

-0.45   or   -9/20

 =

300

Which one is bigger?

0.6   or   5/8

5/8

400

Which one is bigger?

1/2   or  0.5

they are equal

500

Michael received a 26/30 on his English test and an 81% on his science test.  Which class did he receive the higher grade in?

English

Add/Subtract fractions

100

11/12- 7/12

1/3

200

-5/8 + 1/8

-1/2

300

7/9 - 1/6

11/18

400

5 3/4 - (-1 1/6)

6 11/12

500

Lucas watched his little sister for 2 1/2 hours on Friday, 3 2/3 hours on Saturday, and 1 3/4 hours on Sunday.  For how many hours did Lucas watch his little sister in TOTAL?

7 11/12 hours

Multiply/Divide Fractions

100

^{3/5 divided by 6/7}

7/10

200

3/5 * 10/21

2/7

300

2 1/3 * 3/4

1 3/4

400

4 1/2 * 2 1/12

9 3/8

500

2 3/4 dived by 5/6

3 3/10

Monomials/Scientific Notation

100

3 * 3⁵

3⁶

200

6^{- 3}

1/6³

300

3 ^-5

1/3 ⁵

400

0.00027

2.7 x 10 ^-4

500

0.0000196

1.96 x 10 ^-5