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

  1. 1. Number Adding fractions

    Calculate: 3⁄9 + 2⁄9

    Answer: 5⁄9
  2. 2. Algebra Two-step equations

    Solve: 3x + 11 = 44

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

    Calculate the hypotenuse when a = 7cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 8.06cm
  4. 4. Ratio Sharing in a ratio

    Divide 88 in the ratio 1:3:4

    Answer: 11, 33 and 44
  5. 5. Statistics Mean

    Calculate the mean of: 45, 26, 14, 25, 47, 49, 36, 46

    Answer: 36

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