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Cornerstone · Grades 3–5 Keystones #1 9 May 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 May 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄4 + 7⁄8

    Answer: 11⁄8
  2. 2. Algebra Two-step equations

    Solve: 3x - 7 = 29

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 11cm and b = 4cm

    Answer: 11.7cm
  4. 4. Ratio Sharing in a ratio

    Share 75 in the ratio 3:2

    Answer: 45 and 30
  5. 5. Statistics Mean

    Find the mean of: 18, 10, 11

    Answer: 13

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