Factors and multiples

  • Domino Pick
    problem

    Domino pick

    Age
    5 to 7
    Challenge level
    filled star filled star empty star
    Are these domino games fair? Can you explain why or why not?
  • Numbers as Shapes
    problem

    Numbers as shapes

    Age
    5 to 7
    Challenge level
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    Use cubes to continue making the numbers from 7 to 20. Are they sticks, rectangles or squares?
  • One of Thirty-Six
    problem

    One of thirty-six

    Age
    5 to 7
    Challenge level
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    Can you find the chosen number from the grid using the clues?

  • Light the Lights
    problem

    Light the lights

    Age
    5 to 7
    Challenge level
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    Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

  • problem

    Grouping goodies

    Age
    5 to 7
    Challenge level
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    Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?

  • Lots of Lollies
    problem

    Lots of lollies

    Age
    5 to 7
    Challenge level
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    Frances and Rishi were given a bag of lollies. They shared them out evenly and had one left over. How many lollies could there have been in the bag?

  • Magnifying glass
    problem

    Number detective

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    Follow the clues to find the mystery number.

  • Growing Garlic
    problem

    Growing garlic

    Age
    5 to 11
    Challenge level
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    Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

  • problem

    Venn diagrams

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

  • Ip Dip
    problem

    Ip dip

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    "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 ...?