Problem Solving

  • A gold balloon of the number 4.
    problem
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    Four Goodness' Sake

    Age
    7 to 11
    Challenge level

    Use 4 four times in a calculation. What answers can you get?

  • Curious number
    problem
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    Curious Number

    Age
    7 to 11
    Challenge level

    Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?

  • 4 by 4 Mathdokus
    problem
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    4 by 4 Mathdokus

    Age
    7 to 14
    Challenge level

    Can you use the clues to complete these 4 by 4 Mathematical Sudokus?

  • Cubes within Cubes
    problem
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    Cubes Within Cubes

    Age
    7 to 14
    Challenge level

    We start with one yellow cube and build around it to make a 3×3×3 cube with red cubes. Then we build around that red cube with blue cubes and so on. How many cubes of each colour have we used?

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