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Cornerstone · Grades 3–5 Keystones #1 7 July 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 7 July 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄8 + 2⁄8

    Answer: 1⁄2
  2. 2. Algebra Two-step equations

    Solve: 6x - 16 = 32

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

    Calculate the hypotenuse when a = 12cm and b = 5cm

    Answer: 13cm
  4. 4. Ratio Sharing in a ratio

    Divide 319 in the ratio 4:4:3

    Answer: 116, 116 and 87
  5. 5. Statistics Mean

    Find the mean of: 25, 14, 3

    Answer: 14

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