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Cornerstone · Grades 3–5 Keystones #1 4 August 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 4 August 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 5⁄12 + 6⁄12

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

    Solve: 5x - 9 = 11

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

    Calculate the hypotenuse when a = 9cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 9.85cm
  4. 4. Ratio Sharing in a ratio

    Share 108 in the ratio 1:2

    Answer: 36 and 72
  5. 5. Statistics Mean

    Calculate the mean of: 41, 31, 31, 17, 34, 48. Give your answer to 2 decimal places

    Answer: 33.67

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