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Cornerstone · Grades 3–5 Keystones #1 2 April 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 April 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄8 + 2⁄8

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

    Solve: 5x + 12 = 62

    Answer: x = 10
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 6cm and b = 9cm

    Answer: 10.82cm
  4. 4. Ratio Sharing in a ratio

    Share 28 in the ratio 1:3

    Answer: 7 and 21
  5. 5. Statistics Mean

    Calculate the mean of: 8, 22, 44, 46, 11, 17

    Answer: 24.7

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