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Cornerstone · Grades 3–5 Keystones #1 21 April 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 21 April 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄8 + 3⁄8

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

    Solve: 2x + 11 = 27

    Answer: x = 8
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio Sharing in a ratio

    Share 55 in the ratio 1:4

    Answer: 11 and 44
  5. 5. Statistics Mean

    Find the mean of: 13, 14, 5, 4

    Answer: 9

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