Comparing Rational and Irrational Numbers Review

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction. They have non-repeating, non-terminating decimal expansions.

Front

Order the following rational numbers from least to greatest: -1 1/4, -1 1/5, -0.99, 1 13/20, 1.8.

Back

-1 1/4, -1 1/5, -0.99, 1 13/20, 1.8

Front

True or False: 1.7 > √4

Back

False

Front

True or False: Perfect Squares are irrational.

Back

False

Front

What is the square root of 2?

Back

√2 is an irrational number.

Front

Put the following rational numbers in order from least to greatest: -4.2, -4 1/2, -4, 0, 4.

Back

-4 1/2, -4.2, -4, 0, 4

Front

What is an example of a rational number?

Back

An example of a rational number is 3/4.

Front

What is an example of an irrational number?

Back

An example of an irrational number is π (pi).

Front

How can you identify a rational number?

Back

A rational number can be identified if it can be written as a fraction with integers.