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Cornerstone · Grades 3–5 Keystones #1 6 August 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 August 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 3⁄11

    Answer: 5⁄11
  2. 2. Algebra Two-step equations

    Solve: 2x + 14 = 36

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio Sharing in a ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics Mean

    Find the mean of: 12, 6, 12, 7, 3

    Answer: 8

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