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Cornerstone · Grades 3–5 Keystones #1 2 June 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 June 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄7 + 3⁄7

    Answer: 5⁄7
  2. 2. Algebra Two-step equations

    Solve: 8x - 10 = 54

    Answer: x = 8
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 12cm and b = 14cm

    Answer: 18.44cm
  4. 4. Ratio Sharing in a ratio

    Share 63 in the ratio 4:3

    Answer: 36 and 27
  5. 5. Statistics Mean

    Calculate the mean of: 44, 20, 20, 34, 6, 8

    Answer: 22

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