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Cornerstone · Grades 3–5 Keystones #1 8 June 2017 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 8 June 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 5⁄6 + 4⁄5

    Answer: 49⁄30
  2. 2. Algebra Two-step equations

    Solve: 5x + 14 = 44

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

    Calculate the hypotenuse when a = 6cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 12.53cm
  4. 4. Ratio Sharing in a ratio

    Divide 203 in the ratio 1:3:3

    Answer: 29, 87 and 87
  5. 5. Statistics Mean

    Calculate the mean of: 39, 32, 34, 13, 38, 50. Give your answer to 2 decimal places

    Answer: 34.33

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