Coverting
Fraction/Decimal
Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
100

Write each mixed number as a decimal:

1/4

1/4 = 0.25

100

3.15 + 2.25 = 

 5.40

100

8/11 - 3/11 = 

5/11 

100

5(1/3)

 1  2/3 

100

1/4 ÷  3/8

2/3

200

Write each mixed number as a decimal:

-12/6

-12/6 = -2

200

0.38 + (-1.2) =

 -0.82

200

- 4/13 - 8/13 = 

-12/13 

200

-3.2 x 5

-16

200

-20 ÷  0.5

-40

300

Write each mixed number as a decimal:

4 1/5

4 1/5 = 4.2

300

9/25 + (-17/25) = 

 -8/25

300

14.2 - (-4.9) = 

19.1

300

-1/6 (-2/3)

1/9

300

-  19/2 ÷ 38/7 = 

-7/4

400

Write each mixed number as a decimal:

12 14/15

12 14/15 = 12.9333...

400

-5/12 + 1/12 = 

 -1/3

400

-1/8 - ( 6 7/8 )=

-1/8 + (-55/8) = -56/8 = -7

400

-3.2(-5.6)(4) =

71.68

400

- 32.01 ÷ -3.3

9.7

500

Write each mixed number as a decimal:

5 5/32

5 5/32 = 5.15625

500

To make a small amount of play dough, you can mix 1 cup of flour, 1/2 cup of salt and 1/2 cup of water. What is the total amount of ingredients added to make the play dough?

1 + 1/2 + 1/2 = 2 cups

500

A scuba diver starts at 85.6 meters below the surface and descends until he reaches 103.2 meters below sea level. How many meters did he descend?

|103.2 - 85.6|=17.6 meters

500

Travis painted for 6 and 2/3 hours. He received $27 an hour for his work. How much was Travis paid for doing this painting job?

(6 2/3)(27) =  $180

500

Over 6 months, Fiona used her online banking account to pay a total of $274.50 for her cell phone services. Her cell phone service costs the same amount each month. How much did she withdraw from her account each month to pay for the services?

-45.75; $45.75 each month