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

Five GCSE retrieval questions · 1 March 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄11 + 4⁄11

    Answer: 5⁄11
  2. 2. Algebra Two-step equations

    Solve: 8x - 19 = 45

    Answer: x = 8
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio Sharing in a ratio

    Share 60 in the ratio 1:2

    Answer: 20 and 40
  5. 5. Statistics Mean

    Find the mean of: 5, 15, 2, 10, 3

    Answer: 7