Being resilient

  • 4 Dom
    problem

    4 dom

    Age
    5 to 11
    Challenge level
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    Use these four dominoes to make a square that has the same number of dots on each side.

  • The Third Dimension
    problem

    The third dimension

    Age
    5 to 11
    Challenge level
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    Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?

  • Build it up
    problem

    Build it up

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

    Can you find all the ways to get 15 at the top of this triangle of numbers? Many opportunities to work in different ways.

  • Representing Numbers
    problem

    Representing numbers

    Age
    7 to 11
    Challenge level
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    Find as many different ways of representing this number of dots as you can.

  • Buying a Balloon
    problem

    Buying a balloon

    Age
    7 to 11
    Challenge level
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    Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?

  • Which Scripts?
    problem

    Which scripts?

    Age
    7 to 11
    Challenge level
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    There are six numbers written in five different scripts. Can you sort out which is which?

  • Highest and Lowest
    problem

    Highest and lowest

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

    Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.

  • problem

    How many times?

    Age
    7 to 11
    Challenge level
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    On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

  • Zios and Zepts
    problem

    Zios and Zepts

    Age
    7 to 11
    Challenge level
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    On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?

  • Plenty of Pens
    problem

    Plenty of pens

    Age
    7 to 11
    Challenge level
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    Amy's mum gave her £2.50 to spend. She bought four times as many pens as pencils and was given 40p change. How many of each did she buy?