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

  1. 1. Number Adding fractions

    Calculate: 2⁄6 + 1⁄6

    Answer: 1⁄2
  2. 2. Algebra Two-step equations

    Solve: 8x - 16 = 32

    Answer: x = 6
  3. 3. Geometry Pythagoras — hypotenuse

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

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

    Divide 84 in the ratio 3:1:2

    Answer: 42, 14 and 28
  5. 5. Statistics Mean

    Calculate the mean of: 18, 5, 44, 42, 35, 26, 22. Give your answer to 2 decimal places

    Answer: 27.43

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