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 √7 a rational or irrational number?

Back

Irrational

Front

What is the decimal representation of an irrational number?

Back

The decimal of an irrational number doesn't repeat with a pattern.

Front

Is the square root of 57 rational or irrational?

Back

Irrational

Front

What is the perimeter of a square with an area of 49 m²?

Back

28 m

Front

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

Back

1/4

Front

What is the value of π (pi)?

Back

Approximately 3.14159, π is an irrational number.

Front

What is the square root of 16?

Back

4 (which is a rational number).

Front

Can a whole number be an irrational number?

Back

No, whole numbers are rational because they can be expressed as a fraction with a denominator of 1.