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Cornerstone · Grades 3–5 Keystones #1 31 March 2014 Skills week 1 of 7
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Five GCSE retrieval questions · 31 March 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄7 + 1⁄7

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

    Solve: 3x + 13 = 22

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

    Calculate the hypotenuse when a = 12cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 12.65cm
  4. 4. Ratio Sharing in a ratio

    Share 140 in the ratio 4:3

    Answer: 80 and 60
  5. 5. Statistics Mean

    Find the mean of: 4, 17, 5, 2

    Answer: 7

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