Exploring and noticing

  • 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?

  • Five Steps to 50
    problem

    Five steps to 50

    Age
    5 to 7
    Challenge level
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    Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?

  • Division Rules
    problem

    Division rules

    Age
    7 to 11
    Challenge level
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    This challenge encourages you to explore dividing a three-digit number by a single-digit number.

  • What Could \It Be?
    problem

    What could it be?

    Age
    5 to 7
    Challenge level
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    In this calculation, the box represents a missing digit. What could the digit be? What would the solution be in each case?

  • Multiply Multiples 3
    problem

    Multiply multiples 3

    Age
    7 to 11
    Challenge level
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    Have a go at balancing this equation. Can you find different ways of doing it?

  • What's the weather like?
    problem

    What's the weather like?

    Age
    11 to 14
    Challenge level
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    With access to weather station data, what interesting questions can you investigate?

  • Picturing the world
    problem

    Picturing the world

    Age
    14 to 16
    Challenge level
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    How can we make sense of national and global statistics involving very large numbers?