Factors and multiples

  • Tables Teaser
    problem
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    Tables Teaser

    Age
    5 to 7
    Challenge level
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    How will you work out which numbers have been used to create this multiplication square?

  • Are you well Balanced?
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    Are You Well Balanced?

    Age
    5 to 7
    Challenge level
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    Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.

  • Five sticks of linked cubes of decreasing length, with the colours in rainbow order.
    problem
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    Making Sticks

    Age
    5 to 7
    Challenge level
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    Kimie and Sebastian were making sticks from interlocking cubes and lining them up. Can they make their lines the same length? Can they make any other lines?

  • Heads and Feet
    problem
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    Heads and Feet

    Age
    5 to 7
    Challenge level
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    On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?

  • Domino Pick
    problem
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    Domino Pick

    Age
    5 to 7
    Challenge level
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    Are these domino games fair? Can you explain why or why not?

  • Light the Lights
    problem
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    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
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    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
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    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
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    Number Detective

    Age
    5 to 11
    Challenge level
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    Follow the clues to find the mystery number.

  • Growing Garlic
    problem
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    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?