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Cornerstone · Grades 3–5 Keystones #1 2 June 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 June 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 5⁄11 + 2⁄11

    Answer: 7⁄11
  2. 2. Algebra Two-step equations

    Solve: 7x - 9 = 68

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 6cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 7.81cm
  4. 4. Ratio Sharing in a ratio

    Divide 96 in the ratio 3:3:2

    Answer: 36, 36 and 24
  5. 5. Statistics Mean

    Find the mean of: 20, 2, 21, 13

    Answer: 14

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