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Cornerstone · Grades 3–5 Keystones #1 29 July 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 29 July 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 7⁄11

    Answer: 9⁄11
  2. 2. Algebra Two-step equations

    Solve: 5x + 15 = 50

    Answer: x = 7
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 6.71cm
  4. 4. Ratio Sharing in a ratio

    Share 60 in the ratio 1:4

    Answer: 12 and 48
  5. 5. Statistics Mean

    Calculate the mean of: 5, 35, 24, 30, 49, 13, 48, 30

    Answer: 29.25

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