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Cornerstone · Grades 3–5 Keystones #1 25 April 2013 Skills week 1 of 7
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Five GCSE retrieval questions · 25 April 2013 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 3⁄6 + 1⁄4

    Answer: 3⁄4
  2. 2. Algebra Two-step equations

    Solve: 5x - 16 = 9

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio Sharing in a ratio

    Share 133 in the ratio 4:3

    Answer: 76 and 57
  5. 5. Statistics Mean

    Find the mean of: 9, 3, 3

    Answer: 5

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