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; it cannot be written as a ratio of two integers.

Front

Is √8 a rational or irrational number?

Back

Irrational

Front

Is √2 a rational or irrational number?

Back

Irrational

Front

Is 5 a rational or irrational number?

Back

Rational

Front

Is -1.325 a rational or irrational number?

Back

Rational

Front

Which numbers are considered rational? Give examples.

Back

Examples of rational numbers include 1/2, 3, -4, and 0.75.

Front

Which numbers are considered irrational? Give examples.

Back

Examples of irrational numbers include √3, π, and e.

Front

Between which two whole numbers does √27 lie on a number line?

Back

5 and 6

Front

Which of the following is rational: √25, π, or √12?

Back

√25 (because it equals 5, which is a whole number).