Operations with Rational Numbers

CovertingFraction/Decimal

100

The fraction which is equivalent to -1.5

What is - 3/2 or -1  1/2 ?

200

The decimal value equivalent to 7/10.

What is 0.7?

300

Write 0.28 as a percent. 

What is 28%.

400

Write 0.45 as a fraction in simplest form. 

What is 9/20?

500

Write 375% as a decimal. 

What is 3.75. 

Adding and Subtracting Rational Numbers

100

- 4/13 - 8/13

What is -12/13 ?

200

0.38 + (-1.2)

What is -0.82?

300

-2.06 - (-0.86)

What is -1.20 ?

400

-5/6 + 7/12

What is -1/4?

500

-3/7 -  -2/3

What is 5/21 ?

Multiplying and Dividing Rational Numbers

100

8 ⋅  -9

What is -72?

200

-20 ÷  -5

What is 4?

300

-3.2 ⋅ 5.3

What is -16.96?

400

-1/6 ⋅ -2/3

What is 1/9?

500

1/4 ÷ 3/8

What is 2/3?

The Real Number System

100

Which category best describes -4 ?

What are integers?

200

What category does π (pi) belong to?

What are irrational numbers?

300

What category best describes the number 0?

What are Whole Numbers?

400

Name all categories to which the number -12 belongs.

What are integers and rational numbers?

500

What do you call a number that can be written as a fraction is ________.

What is a rational number?

Word Problems

100

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?

What is 2 cups?

200

The snowfall in Rochester, NY in the winter of 1999-2000 was 91.5 inches. Normal snowfall is about 76 inches per winter. How much more snow fell in the winter of 1999-2000 than is normal?

What is 15.5 inches?

300

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?

400

Emma bought 2 and 1/2 yards of cording for the trim around the edge of a square pillow. How much will she use for each side of the pillow?

What is 5/8 yard?

500

Sean borrow $127.50 from his friend. He plans to pay him $25.50 each month until it is paid off. How many months will it take for Sean to repay his friend?

What is 5 months?