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Cornerstone · Grades 3–5 Keystones #1 29 November 2014 Skills week 1 of 7
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Five GCSE retrieval questions · 29 November 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 8⁄11 + 2⁄11

    Answer: 10⁄11
  2. 2. Algebra Two-step equations

    Solve: 6x + 14 = 44

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 5cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 7.81cm
  4. 4. Ratio Sharing in a ratio

    Share 32 in the ratio 3:1

    Answer: 24 and 8
  5. 5. Statistics Mean

    Calculate the mean of: 24, 5, 21, 36, 45, 47, 39

    Answer: 31

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