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Cornerstone · Grades 3–5 Keystones #1 26 April 2014 Skills week 1 of 7
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Five GCSE retrieval questions · 26 April 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 8⁄12 + 3⁄12

    Answer: 11⁄12
  2. 2. Algebra Two-step equations

    Solve: 6x + 6 = 30

    Answer: x = 4
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 11cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 15.56cm
  4. 4. Ratio Sharing in a ratio

    Share 76 in the ratio 1:3

    Answer: 19 and 57
  5. 5. Statistics Mean

    Find the mean of: 12, 11, 19

    Answer: 14

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