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Cornerstone · Grades 3–5 Keystones #1 28 April 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 28 April 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 4⁄8 + 4⁄7

    Answer: 15⁄14
  2. 2. Algebra Two-step equations

    Solve: 8x - 5 = 27

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

    Calculate the hypotenuse when a = 12cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 16.97cm
  4. 4. Ratio Sharing in a ratio

    Divide 198 in the ratio 4:3:2

    Answer: 88, 66 and 44
  5. 5. Statistics Mean

    Find the mean of: 13, 15, 15, 9

    Answer: 13

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