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Cornerstone · Grades 3–5 Keystones #1 26 July 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 26 July 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 6⁄11

    Answer: 8⁄11
  2. 2. Algebra Two-step equations

    Solve: 5x + 14 = 34

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

    Calculate the hypotenuse when a = 12cm and b = 9cm

    Answer: 15cm
  4. 4. Ratio Sharing in a ratio

    Share 30 in the ratio 1:2

    Answer: 10 and 20
  5. 5. Statistics Mean

    Calculate the mean of: 30, 35, 41, 28, 46, 46, 27, 19

    Answer: 34