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Cornerstone · Grades 3–5 Keystones #1 19 May 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 19 May 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄6 + 3⁄6

    Answer: 5⁄6
  2. 2. Algebra Two-step equations

    Solve: 5x + 6 = 61

    Answer: x = 11
  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 115 in the ratio 1:3:1

    Answer: 23, 69 and 23
  5. 5. Statistics Mean

    Find the mean of: 8, 11, 21, 4

    Answer: 11

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