The Real Number System

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What is the Real Number System?

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The Real Number System includes all the numbers that can be found on the number line, including rational numbers (like integers and fractions) and irrational numbers (like pi and the square root of 2).

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How is a percentage expressed as a decimal?

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To convert a percentage to a decimal, divide by 100. For example, 9% as a decimal is 0.09.

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

Give an example of an irrational number.

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Front

How do you convert a fraction to a percentage?

Back

Front

What is the fraction equivalent of 25%?

Back

Front

What is a rational number?

Back

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Front

What is the square root of 16?

Back

The square root of 16 is 4, which is a rational number.