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Cornerstone · Grades 3–5 Keystones #1 18 April 2010 Skills week 1 of 7
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Five GCSE retrieval questions · 18 April 2010 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄9 + 4⁄9

    Answer: 8⁄9
  2. 2. Algebra Two-step equations

    Solve: 4x - 10 = 34

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

    Calculate the hypotenuse when a = 11cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 12.08cm
  4. 4. Ratio Sharing in a ratio

    Share 44 in the ratio 1:3

    Answer: 11 and 33
  5. 5. Statistics Mean

    Calculate the mean of: 29, 6, 16, 35, 7, 34. Give your answer to 2 decimal places

    Answer: 21.17

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