1.4.5

Fractions of Shapes

Test yourself

Fraction of Shapes and Objects

We can work out parts of shapes and objects as a fraction of the whole thing.

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Pizza

  • Imagine a pizza has been cut into 10 equal slices.
    • You eat 3 of those slices.
  • So you have eaten 3 out of the 10 slices.
  • That means you have eaten 3/10 (three tenths) of the pizza.
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Chocolate bar

  • Imagine a bar of chocolate with 12 equal pieces.
    • You give 6 of them to a friend.
  • You have given them 6 out of the 12.
  • So you have given them 6/12 (six twelfths) of the bar.
  • You may notice that 6/12 pieces is also half of all the pieces.
  • So you have given half of the chocolate bar to a friend.
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School children

  • There are 8 children in a group at school.
    • 5 of the children are boys and 3 are girls.
  • The fraction of children in the group who are boys is 5/8.
  • The fraction of children in the group who are girls is 3/8.
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School children

  • Together the fraction that are boys and girls make is:
    • 5/8 + 3/8 = 8/8
  • 8/8 is eight out of eight, so 8/8 is the fraction represents the whole group.

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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