Equivalent fractions, decimals and percentages

  • Sept 03
    problem
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    Sept 03

    Age
    11 to 14
    Challenge level
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    What is the last digit of the number 1 / 5^903 ?
  • Tumbling Down
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    Tumbling Down

    Age
    7 to 11
    Challenge level
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    Watch this animation. What do you see? Can you explain why this happens?

  • Fractional Triangles
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    Fractional Triangles

    Age
    7 to 11
    Challenge level
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    Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.

  • Fractional Wall
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    Fractional Wall

    Age
    7 to 11
    Challenge level
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    Using the picture of the fraction wall, can you find equivalent fractions?

  • Bryony's Triangle
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    Bryony's Triangle

    Age
    7 to 11
    Challenge level
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    Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?

  • Matching fractions
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    Matching Fractions

    Age
    7 to 11
    Challenge level
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    Can you find different ways of showing the same fraction? Try this matching game and see.

  • Fraction Lengths
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    Fraction Lengths

    Age
    7 to 11
    Challenge level
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    Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?

  • problem
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    Doughnut Percents

    Age
    7 to 14
    Challenge level
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    Can you make doughnuts by matching these fractions, decimals and percentages?

  • Almost One
    problem
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    Almost One

    Age
    11 to 14
    Challenge level
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    Choose some fractions and add them together. Can you get close to 1?