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Cornerstone · Grades 3–5 Keystones #1 31 October 2012 Skills week 1 of 7
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Five GCSE retrieval questions · 31 October 2012 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 6⁄11 + 3⁄11

    Answer: 9⁄11
  2. 2. Algebra Two-step equations

    Solve: 4x - 7 = 41

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 10cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 11.66cm
  4. 4. Ratio Sharing in a ratio

    Divide 96 in the ratio 1:3:4

    Answer: 12, 36 and 48
  5. 5. Statistics Mean

    Find the mean of: 8, 10, 3

    Answer: 7

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