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Cornerstone · Grades 3–5 Keystones #1 13 July 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 13 July 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 8⁄12 + 1⁄12

    Answer: 3⁄4
  2. 2. Algebra Two-step equations

    Solve: 4x + 4 = 44

    Answer: x = 10
  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

    Share 60 in the ratio 2:3

    Answer: 24 and 36
  5. 5. Statistics Mean

    Find the mean of: 17, 11, 5

    Answer: 11