Rational and Irrational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

Is the square root of 57 rational or irrational?

Back

Irrational.

Front

True or False: The decimal of an irrational number doesn't repeat with a pattern.

Back

True.

Front

Which of the following is a rational number: 1/4, π, √3, ∛25?

Back

1/4.

Front

What two whole numbers does √98 fall between on a number line?

Back

9 and 10.

Front

Estimate √7: 2.5, 2.63, __, 2.65.

Back

2.64.

Front

What is the decimal representation of 1/4?

Back

0.25.

Front

What is π approximately equal to?

Back

3.14.

Front

What is the square root of 16?

Back

4.