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Cornerstone · Grades 3–5 Keystones #1 16 May 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 16 May 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄12 + 10⁄12

    Answer: 11⁄12
  2. 2. Algebra Two-step equations

    Solve: 6x + 4 = 58

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

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

    Answer: 11.31cm
  4. 4. Ratio Sharing in a ratio

    Divide 90 in the ratio 3:1:2

    Answer: 45, 15 and 30
  5. 5. Statistics Mean

    Find the mean of: 4, 13, 3, 4

    Answer: 6

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