Mental Calculation

  • Jumping squares
    problem
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    Jumping Squares

    Age
    5 to 7
    Challenge level
    2 out of 3

    In this problem it is not the squares that jump, you do the jumping! The idea is to go round the track in as few jumps as possible.

  • 2, 4, 6, 8
    problem
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    2, 4, 6, 8

    Age
    5 to 7
    Challenge level
    3 out of 3

    Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?

  • Dicey Addition
    problem
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    Dicey Addition

    Age
    5 to 11
    Challenge level
    1 out of 3

    In these addition games, you'll need to think strategically to get closest to the target.

  • How do you see it?
    problem
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    How Do You See It?

    Age
    5 to 11
    Challenge level
    1 out of 3

    Here are some short problems for you to try. Talk to your friends about how you work them out.