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

Five GCSE retrieval questions · 3 May 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 4⁄6 + 2⁄4

    Answer: 7⁄6
  2. 2. Algebra Two-step equations

    Solve: 2x + 15 = 37

    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

    Divide 120 in the ratio 1:1:2

    Answer: 30, 30 and 60
  5. 5. Statistics Mean

    Find the mean of: 22, 6, 17

    Answer: 15