Operations with Rational Numbers

CovertingFraction/Decimal

100

The fraction which is equivalent to -1.5

What is - 3/2?

200

The decimal value equivalent to 7/8.

What is 0.875?

300

The fraction value equivalent to 0.4.

What is 2/5?

400

The world's smallest nation is Vatican City. It's area is 0.17 square miles. Express this value as a fraction.

What is 17/100?

500

I am a value bigger than 1/4, smaller than 1/2 and expressed as a repeating decimal.

What is 1/3 or 0.33333?

Adding Rational Numbers

100

3.15 + -5.25

What is -2.10?

200

0.38 + (-1.2)

What is -0.82?

300

4/5 + (-17/25)

What is 3/25?

400

-5/6 + 3/9

What is -1/2?

500

6 1/3-8 2/5

What is -2 1/15?

Subtracting Rational Numbers

100

3/14 - 8/21

What is -1/6 ?

200

- 4/13 - 5/6

What is -89/78 ?

300

-0.06 - (-0.86)

What is 0.8 ?

400

-5/12 - (-5/8)

What is 5/24?

500

15.637-18.903

What is -3.26?

Multiplying Rational Numbers

100

5 1/3 * 2

What is 10 2/3 ?

200

-3.2 x 5

What is -16?

300

-16 2/3 * (-6 2/5)

What is 320/3?

400

Multiply 8 3/4 by -2 1/5

What is -77/4?

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?

What is $180?

Dividing Rational Numbers

100

3/4 divided by -3/10

What is -5/2?

200

-20.5 divided by 4.1

What is -5?

300

-15 divided by -5/8

What is 24?

400

Divide 7 1/3 by -1 3/8

What is -16/3?

500

Sean has a loan of $8804.46 including interest. He makes payments of $209.63 each month on the simple interest loan. How many months will it take for Sean to repay his loan?

What is 42 months?