Working systematically

  • Peg and Pin Boards
    article

    Peg and pin boards

    This article for teachers suggests activities based on pegboards, from pattern generation to finding all possible triangles, for example.

  • Ribbon Squares
    problem

    Ribbon squares

    Age
    7 to 11
    Challenge level
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    What is the largest 'ribbon square' you can make? And the smallest? How many different squares can you make altogether?

  • The Dice Train
    problem

    The dice train

    Age
    7 to 11
    Challenge level
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    This dice train has been made using specific rules. How many different trains can you make?

  • Cover the tray
    problem

    Cover the tray

    Age
    7 to 11
    Challenge level
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    These practical challenges are all about making a 'tray' and covering it with paper.

  • Difference Sudoku
    problem

    Difference Sudoku

    Age
    14 to 16
    Challenge level
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    Use the differences to find the solution to this Sudoku.

  • Greater Than or Less Than?
    problem

    Greater than or less than?

    Age
    7 to 11
    Challenge level
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    Use the numbers and symbols to make this number sentence correct. How many different ways can you find?