Being curious

  • Number Daisy
    problem
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    Number Daisy

    Age
    11 to 14
    Challenge level
    1 out of 3

    Can you find six numbers to go in the daisy from which you can make all the numbers from 1 to a number bigger than 25?

  • Triangles in a Square
    problem
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    Triangles in a Square

    Age
    11 to 14
    Challenge level
    1 out of 3

    What are the possible areas of triangles drawn in a square?

  • Add to 200
    problem
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    Add to 200

    Age
    11 to 14
    Challenge level
    1 out of 3

    By selecting digits for an addition grid, what targets can you make?

  • About Average
    problem
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    About Average

    Age
    11 to 14
    Challenge level
    1 out of 3

    Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?

  • Beach Huts
    problem
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    Beach Huts

    Age
    11 to 14
    Challenge level
    1 out of 3

    Can you figure out how sequences of beach huts are generated?

  • Colourful Cube
    problem
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    Colourful Cube

    Age
    11 to 14
    Challenge level
    1 out of 3

    A colourful cube is made from little red and yellow cubes. But can you work out how many of each?

  • Completing Quadrilaterals
    problem
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    Completing Quadrilaterals

    Age
    11 to 14
    Challenge level
    1 out of 3

    We started drawing some quadrilaterals - can you complete them?

  • Polygon Rings
    problem
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    Polygon Rings

    Age
    11 to 14
    Challenge level
    1 out of 3

    Join pentagons together edge to edge. Will they form a ring?

  • Same Answer
    problem
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    Same Answer

    Age
    11 to 14
    Challenge level
    2 out of 3

    Aisha's division and subtraction calculations both gave the same answer! Can you find some more examples?

  • Star Polygons
    problem
    Favourite

    Star Polygons

    Age
    11 to 14
    Challenge level
    2 out of 3

    Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?