Sectieoverzicht

  • Rational numbers

    Rational numbers can be written as fractions. All integers and natural numbers are rational since they can be written with a denominator of 1.

    Example

    \( \frac{2}{1}, \frac{3}{4}, \frac{5}{2}, 6\frac{1}{3} \) and \( \frac{28}{5} \) are all examples of rational numbers.

    Irrational numbers

    Irrational numbers cannot be written as fractions with integer numerators and integer denominators.

    Example

    \( \sqrt{2}, \pi \) and \( - \sqrt{12} \) are examples of irrational numbers.

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      How to tell the difference between rational and irrational numbers

      The video explains the difference between rational and irrational numbers in more detail.

       

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      Exercise: Rational or irrational?


      Check your understanding of rational and irrational numbers by trying the exercise.