Explaining, convincing and proving

  • Compare the Cups
    problem
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    Compare the cups

    Age
    5 to 7
    Challenge level
    filled star empty star empty star

    You'll need a collection of cups for this activity.

  • Triangle or No Triangle?
    problem
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    Triangle or no triangle?

    Age
    5 to 7
    Challenge level
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    Here is a selection of different shapes. Can you work out which ones are triangles, and why?

  • Fruity Pairs
    problem
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    Fruity pairs

    Age
    5 to 7
    Challenge level
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    Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?

  • Equivalent Pairs
    problem
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    Equivalent pairs

    Age
    5 to 7
    Challenge level
    filled star empty star empty star

    Can you match pairs of cards which show the same amount?

  • problem
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    Noah

    Age
    5 to 7
    Challenge level
    filled star filled star empty star

    Noah saw 12 legs walk by into the Ark. How many creatures did he see?

  • Colouring Triangles
    problem
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    Colouring triangles

    Age
    5 to 7
    Challenge level
    filled star filled star empty star

    Explore ways of colouring this set of triangles. Can you make symmetrical patterns?

  • Chain of Changes
    problem
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    Chain of changes

    Age
    5 to 7
    Challenge level
    filled star filled star empty star

    In this activity, shapes can be arranged by changing either the colour or the shape each time. Can you find a way to do it?

  • Skeleton Shapes
    problem
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    Skeleton shapes

    Age
    5 to 7
    Challenge level
    filled star filled star empty star

    How many balls of modelling clay and how many straws does it take to make these skeleton shapes?

  • Halving
    problem
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    Halving

    Age
    5 to 7
    Challenge level
    filled star filled star empty star

    These pictures show squares split into halves. Can you find other ways?