Multiplication and division

  • I'm Eight
    problem

    I'm eight

    Age
    5 to 11
    Challenge level
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    Find a great variety of ways of asking questions which make 8.

  • Fair Feast
    problem

    Fair feast

    Age
    5 to 11
    Challenge level
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    Here is a picnic that Petros and Michael are going to share equally. Can you tell us what each of them will have?

  • Growing Garlic
    problem

    Growing garlic

    Age
    5 to 11
    Challenge level
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    Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

  • Today's date - 01/06/2009
    problem

    Today's date - 01/06/2009

    Age
    5 to 11
    Challenge level
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    What do you notice about the date 03.06.09? Or 08.01.09? This challenge invites you to investigate some interesting dates yourself.
  • It was 2010!
    problem

    It was 2010!

    Age
    5 to 11
    Challenge level
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    If the answer's 2010, what could the question be?
  • Ordering cards
    problem

    Ordering cards

    Age
    5 to 11
    Challenge level
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    This problem is designed to help children to learn, and to use, the two and three times tables.

  • Doing and undoing
    problem

    Doing and undoing

    Age
    5 to 11
    Challenge level
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    An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting.

  • Interactive Balance
    interactivity
    Favourite

    Interactive balance

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!

  • Dicey Array
    game
    Favourite

    Dicey array

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?

  • Month Mania
    problem

    Month mania

    Age
    5 to 11
    Challenge level
    filled star filled star empty star
    Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?