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

Five GCSE retrieval questions · 1 June 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄10 + 4⁄10

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

    Solve: 7x - 11 = 73

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 12cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 16.28cm
  4. 4. Ratio Sharing in a ratio

    Share 33 in the ratio 1:2

    Answer: 11 and 22
  5. 5. Statistics Mean

    Calculate the mean of: 43, 25, 11, 6, 9, 15. Give your answer to 2 decimal places

    Answer: 18.17