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Cornerstone · Grades 3–5 Keystones #1 18 August 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 18 August 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 3⁄11

    Answer: 5⁄11
  2. 2. Algebra Two-step equations

    Solve: 7x + 5 = 82

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

    Calculate the hypotenuse when a = 8cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 9.43cm
  4. 4. Ratio Sharing in a ratio

    Share 75 in the ratio 1:4

    Answer: 15 and 60
  5. 5. Statistics Mean

    Find the mean of: 8, 7, 11, 10

    Answer: 9

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