Factors and multiples

  • problem
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    Venn Diagrams

    Age
    5 to 11
    Challenge level
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    How will you complete these interactive Venn diagrams?

  • Ip Dip
    problem
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    Ip Dip

    Age
    5 to 11
    Challenge level
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    "Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?

  • Dicey Array
    game
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    Dicey Array

    Age
    5 to 11
    Challenge level
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    Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?

  • Cuisenaire environment
    interactivity
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    Cuisenaire Environment

    Age
    5 to 16
    Challenge level
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    An environment which simulates working with Cuisenaire rods.

  • Count Me In
    problem
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    Count Me In

    Age
    7 to 11
    Challenge level
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    How do you know whether you will reach these numbers when you count in steps of six from zero?

  • Four playing cards on top of each other. Each card shows a different ace.
    problem
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    Statement Snap

    Age
    7 to 11
    Challenge level
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    You'll need to know your number properties to win a game of Statement Snap...

  • Satisfying Four Statements
    problem
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    Satisfying Four Statements

    Age
    7 to 11
    Challenge level
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    Can you find any two-digit numbers that satisfy all of these statements?

  • A section of a bracelet made of colourful beads.
    problem
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    Bracelets

    Age
    7 to 11
    Challenge level
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    Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?

  • problem
    Favourite

    Sweets in a Box

    Age
    7 to 11
    Challenge level
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    How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?