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Cornerstone · Grades 3–5 Keystones #1 8 May 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 8 May 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄8 + 3⁄8

    Answer: 5⁄8
  2. 2. Algebra Two-step equations

    Solve: 6x + 5 = 53

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

    Calculate the hypotenuse when a = 7cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 9.9cm
  4. 4. Ratio Sharing in a ratio

    Share 40 in the ratio 3:2

    Answer: 24 and 16
  5. 5. Statistics Mean

    Calculate the mean of: 16, 23, 24, 33, 23, 22, 10, 39

    Answer: 23.75

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