Comparing and Ordering Rational Numbers

Which of the following is a rational number?

• e

• √2

• π

• 0.75

What is a terminating decimal?

• A decimal that repeats indefinitely

• A decimal that ends

• A decimal that cannot be expressed as a fraction

• A decimal that is irrational

Which of the following is an integer?

• 2.2

• 0.5

• -3

• 1/2

Which of these numbers is a repeating decimal?

• 0.333...

• 2

• 0.25

• 1.75

How do you compare two fractions with different denominators?

• Convert them to decimals

• Find a common denominator

• Compare their numerators directly

• Use a number line

What is the least common denominator of 1/4 and 1/6?

• 12

• 24

• 18

• 6

Which fraction is larger: 7/12 or 8/18?

• Cannot be determined

• They are equal

• 8/18

• 7/12

Convert 20% to a decimal.

• 0.2

• 2.0

• 0.02

• 0.25

Which is greater: 0.64 or 37.5%?

• 0.64

• 37.5%

• They are equal

• Cannot be determined

Order the following from least to greatest: 0.21, 1/4, 23%, 1/5.

• 1/4, 23%, 0.21, 1/5

• 23%, 1/5, 0.21, 1/4

• 0.21, 1/5, 23%, 1/4

• 1/5, 0.21, 23%, 1/4