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Cornerstone · Grades 3–5 Keystones #1 27 May 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 27 May 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 6⁄11 + 2⁄11

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

    Solve: 2x + 10 = 34

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

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio Sharing in a ratio

    Share 65 in the ratio 1:4

    Answer: 13 and 52
  5. 5. Statistics Mean

    Find the mean of: 11, 7, 2

    Answer: 6.6666666666667

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