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Cornerstone · Grades 3–5 Keystones #1 19 May 2018 Skills week 1 of 7
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Five GCSE retrieval questions · 19 May 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄10 + 3⁄10

    Answer: 7⁄10
  2. 2. Algebra Two-step equations

    Solve: 4x + 14 = 30

    Answer: x = 4
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 8cm and b = 12cm

    Answer: 14.42cm
  4. 4. Ratio Sharing in a ratio

    Divide 152 in the ratio 4:1:3

    Answer: 76, 19 and 57
  5. 5. Statistics Mean

    Find the mean of: 16, 8, 4

    Answer: 9.3333333333333

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