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Cornerstone · Grades 3–5 Keystones #1 15 March 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 15 March 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 6⁄9 + 1⁄9

    Answer: 7⁄9
  2. 2. Algebra Two-step equations

    Solve: 6x + 14 = 32

    Answer: x = 3
  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 290 in the ratio 2:2:1

    Answer: 116, 116 and 58
  5. 5. Statistics Mean

    Find the mean of: 6, 3, 17, 17, 12

    Answer: 11

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