Classifying Rational And Irrational Numbers

Front

What is a rational number?

Back

A rational number is a number that can be written as a ratio of two integers.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction or ratio.

Front

Is √7 a rational or irrational number?

Back

Irrational

Front

Is 4π a rational or irrational number?

Back

Irrational

Front

Is 0.141414141414... a rational or irrational number?

Back

Rational

Front

Which of the following is a rational number: 2.5, √2, π?

Back

2.5

Front

Which of the following is an irrational number: 5.72314..., 1/2, 3?

Back

5.72314... (it is a non-repeating decimal).

Front

Can a rational number be a repeating decimal?

Back

Yes, a rational number can be a repeating decimal.

Front

Can an irrational number be a whole number?

Back

No, an irrational number cannot be a whole number.

Front

What is an example of an irrational number?

Back

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