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Cornerstone · Grades 3–5 Keystones #1 4 June 2013 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 June 2013 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 3⁄8 + 3⁄6

    Answer: 7⁄8
  2. 2. Algebra Two-step equations

    Solve: 2x - 17 = -7

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

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio Sharing in a ratio

    Share 48 in the ratio 2:1

    Answer: 32 and 16
  5. 5. Statistics Mean

    Find the mean of: 6, 19, 14, 17

    Answer: 14

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