Rational & Irrational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and denominator are integers, and 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 has a non-repeating, non-terminating decimal expansion.

Front

Is √25 a rational or irrational number?

Back

Rational

Front

Is 0.141414141414... a rational or irrational number?

Back

Rational

Front

What type of number is a fraction?

Back

Rational

Front

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

Back

1/4

Front

What types of numbers are included in rational numbers?

Back

Integers, fractions, terminating decimals, and repeating decimals.

Front

Is the number 0 a rational number?

Back

Yes, because it can be expressed as 0/1.

Front

Is the number 1.5 a rational number?

Back

Yes, because it can be expressed as 3/2.

Front

What is an example of an irrational number?

Back

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