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Cornerstone · Grades 3–5 Keystones #1 28 April 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 28 April 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄4 + 4⁄7

    Answer: 15⁄14
  2. 2. Algebra Two-step equations

    Solve: 4x - 14 = 10

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

    Calculate the hypotenuse when a = 12cm and b = 12cm

    Answer: 16.97cm
  4. 4. Ratio Sharing in a ratio

    Divide 150 in the ratio 3:2:1

    Answer: 75, 50 and 25
  5. 5. Statistics Mean

    Find the mean of: 5, 18, 5

    Answer: 9.3333333333333

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