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Cornerstone · Grades 3–5 Keystones #1 10 July 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 July 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄8 + 1⁄5

    Answer: 9⁄20
  2. 2. Algebra Two-step equations

    Solve: 7x + 11 = 32

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

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

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

    Share 36 in the ratio 3:1

    Answer: 27 and 9
  5. 5. Statistics Mean

    Find the mean of: 3, 18, 19

    Answer: 13.333333333333

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