1.4.2

Fractions

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Fractions

Fractions are a kind of division. They are useful for showing parts of numbers or shapes.

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Fractions

  • A fractions is a part of a number or shape.
  • Fractions are written with one number over another and a line between.
    • The number below the line is called the denominator.
    • The denominator shows how many parts the number or the shape has been cut into.
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Denominator

  • The denominator shows how many parts the number or the shape has been cut into.
  • The parts must be the same size as each other.
  • In ⅕, the number or shape has been cut into 5 parts. ⅕ is called one fifth.
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Denominator

  • The numerator shows how many parts there are out of the total.
    • In ⅕ there is one out of the five parts.
    • In ⅖ there are two out of the five parts. ⅖ is called two fifths.
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Unit fractions

  • A fraction with the numerator of 1 is called a unit fraction.
  • Here are some unit fractions: ⅓, ¼, ⅕ and ⅒.
  • These are a third, a quarter, a fifth and a tenth.
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Non-unit fractions

  • A fraction with a numerator bigger than 1 is a non-unit fraction.
  • Here are some non-unit fractions: ⅔, ⅘, ¾ and 7/10.
  • These are two thirds, four fifths, three quarters and seven tenths.

Jump to other topics

1Year 3 - Number

2Year 3 - Measurement

3Year 3 - Geometry

4Year 3 - Statistics

5Year 4 - Number

6Year 4 - Measurement

7Year 4 - Geometry

8Year 4 - Statistics

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