Identifying 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 the square root of 5 a rational or irrational number?

Back

Irrational Number

Front

Is the square root of 64 a rational or irrational number?

Back

Rational Number

Front

Is 17 a rational or irrational number?

Back

Rational Number

Front

Is 100/5 a rational or irrational number?

Back

Rational Number

Front

Is 0 a rational or irrational number?

Back

Rational Number

Front

Give an example of a rational number.

Back

Examples include 1/2, 3, -4, and 0.

Front

Give an example of an irrational number.

Back

Examples include √2, π (pi), and e (Euler's number).

Front

What is the decimal representation of a rational number?

Back

The decimal representation of a rational number either terminates (e.g., 0.5) or repeats (e.g., 0.333...).