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Cornerstone · Grades 3–5 Keystones #1 2 April 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 April 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄6 + 1⁄6

    Answer: 1⁄3
  2. 2. Algebra Two-step equations

    Solve: 2x + 5 = 27

    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 145 in the ratio 2:2:1

    Answer: 58, 58 and 29
  5. 5. Statistics Mean

    Find the mean of: 6, 17, 3, 14

    Answer: 10

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