Being collaborative

  • Round the Three Dice
    problem

    Round the three dice

    Age
    7 to 11
    Challenge level
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    What happens when you round these three-digit numbers to the nearest 100?

  • Less is More
    problem

    Less is more

    Age
    7 to 11
    Challenge level
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    Use your knowledge of place value to try to win this game. How will you maximise your score?

  • Picture Your Method
    problem

    Picture your method

    Age
    7 to 11
    Challenge level
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    Can you match these calculation methods to their visual representations?

  • Compare the Calculations
    problem

    Compare the calculations

    Age
    7 to 11
    Challenge level
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    Can you put these four calculations into order of difficulty? How did you decide?

  • Guess What?
    problem

    Guess what?

    Age
    7 to 11
    Challenge level
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    Can you find out which 3D shape your partner has chosen before they work out your shape?

  • An Easy Way to Multiply by 10?
    problem

    An easy way to multiply by 10?

    Age
    7 to 11
    Challenge level
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    Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?

  • Seeing Parallelograms
    problem

    Seeing parallelograms

    Age
    7 to 11
    Challenge level
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    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.

  • Digit Discovery
    problem

    Digit discovery

    Age
    7 to 11
    Challenge level
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    Here is an interesting property about two sets of digits. Can you work out what the digits might be?

  • Fraction Lengths
    problem

    Fraction lengths

    Age
    7 to 11
    Challenge level
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    Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?

  • What Distance?
    problem

    What distance?

    Age
    7 to 11
    Challenge level
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    Can you use addition and subtraction to answer these questions about real-life distances?