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Cornerstone · Grades 3–5 Keystones #1 26 November 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 26 November 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄10 + 2⁄10

    Answer: 3⁄5
  2. 2. Algebra Two-step equations

    Solve: 7x + 13 = 97

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

    Find the hypotenuse of a right triangle with sides 5cm and 12cm

    Answer: 13cm
  4. 4. Ratio Sharing in a ratio

    Divide 96 in the ratio 3:3:2

    Answer: 36, 36 and 24
  5. 5. Statistics Mean

    Find the mean of: 1, 6, 18, 19

    Answer: 11