How To: Rational & Irrational Numbers

Rational & Irrational Numbers

What Is a Rational Number?

A rational number is a number that can be written as a ratio and a/b.

What Is an Irrational Number?

An irrational number is a number that can't be written as a/b.

Examples of Rational Numbers

  • Repeating decimals (EX: 0.36363636)
  • Terminating decimals (EX: 0.05)
  • Whole numbers (EX: 8,9,12,13)

Examples of Irrational Numbers

  • Endless, non repeating digits (EX: Pi = 3.141592......)

Practice Time

To get some practice, complete these problems

Click the link to play a game on rational and irrational numbers


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