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Cornerstone · Grades 3–5 Keystones #1 13 June 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 13 June 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄6 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra Two-step equations

    Solve: 2x - 5 = 13

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 9cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 14.21cm
  4. 4. Ratio Sharing in a ratio

    Divide 200 in the ratio 2:1:2

    Answer: 80, 40 and 80
  5. 5. Statistics Mean

    Find the mean of: 22, 9, 4, 13, 17

    Answer: 13

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