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Cornerstone · Grades 3–5 Keystones #1 21 May 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 21 May 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄6 + 1⁄6

    Answer: 2⁄3
  2. 2. Algebra Two-step equations

    Solve: 6x - 14 = 40

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 4cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 14.56cm
  4. 4. Ratio Sharing in a ratio

    Share 119 in the ratio 3:4

    Answer: 51 and 68
  5. 5. Statistics Mean

    Calculate the mean of: 34, 48, 36, 47, 37, 14

    Answer: 36

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