*/ Rational Number Operations

Converting Fractions to Decimals

100

The decimal form of this fraction: 

2/3

What is 

0.bar6

200

The decimal form of this fraction: 

4/10

What is 0.4?

300

The decimal version of this fraction:

7/20

What is 0.35?

400

The decimal version of this mixed number:

-6 4/5

What is -6.8?

500

The decimal version of this mixed number:

7 13/16

What is 7.8125?

Keep, Change, Flip

100

1/2 divide 3/4

1/2 x 4/3

200

-2/7 divide 5/-3

-2/7 * -3/5 

300

-3 1/3 divide 2 1/2

-10/3 * 2/5

400

-2/3 divide -3

-2/3 * -1/3

500

-5/6 divide -(-4/5)

-5/6 * 5/4

Multiplying and Dividing Rational Numbers

100

Multiply rational numbers 

(Simplify any FRACTION answers)

0.47 * 5.6

2.632

200

Multiply rational numbers (Simplify any FRACTION answers)

2.3*(-1.4)*1.1

-3.542

300

Multiply rational numbers (Simplify any FRACTION answers)

-5 2/3*(-1 1/2)

8 1/2

400

Divide rational numbers (Simplify any FRACTION answers)

1/2 ÷ 3

1/6

500

Divide rational numbers (Simplify any FRACTION answers)

-9 9/10 ÷ (-2 3/4)

3 3/5

Word Problems

100

The change in elevation after 1 minute given this situation: Sarah drove her police car at a constant speed down a mountain. Her elevation decreased by 200 feet over a 10-minute period.

What is -20 feet?

200

The overall change in temperature during 4.5 hours, if the temperature changes by −1.2 °F per hour.

What is -5.4°?

300

The total change in depth of a swimming pool after 14 days if the water decreases by 1/8 inch per day due to evaporation.

What is

1 3/4?

400

Mandy is playing a game. Early in the game she had -250 points. Now Mandy has 350 points. What was the change in Mandy's score?

600 points

500

The temperature in Lukeville is -13 degrees

The temperature in Metroburg is 12 degrees.

What is the difference in the temperatures of the two cities?

25 degrees