Rational & Irrational Numbers

Front

What is a rational number?

Back

A rational number is a number that can be expressed as a fraction, where both the numerator and the 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 the number 0.333 a rational number?

Back

Front

Back

π is an irrational number.

Front

What is the square root of 49?

Back

The square root of 49 is 7, which is a rational number.

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Back

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Back

Front

Can an irrational number be expressed as a fraction?

Back

No, an irrational number cannot be expressed as a fraction.

Front

Give an example of a rational number.

Back

Front

What is the decimal representation of an irrational number?

Back

The decimal representation of an irrational number is non-repeating and non-terminating.