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Cornerstone · Grades 3–5 Keystones #1 9 April 2014 Skills week 1 of 7
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Five GCSE retrieval questions · 9 April 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra Two-step equations

    Solve: 4x + 14 = 26

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

    Calculate the hypotenuse when a = 7cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 8.6cm
  4. 4. Ratio Sharing in a ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics Mean

    Calculate the mean of: 41, 9, 50, 27, 38, 35. Give your answer to 2 decimal places

    Answer: 33.33

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