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Cornerstone · Grades 3–5 Keystones #1 6 July 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 July 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 6⁄8 + 3⁄6

    Answer: 5⁄4
  2. 2. Algebra Two-step equations

    Solve: 2x + 4 = 16

    Answer: x = 6
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 9cm and 12cm

    Answer: 15cm
  4. 4. Ratio Sharing in a ratio

    Share 30 in the ratio 3:2

    Answer: 18 and 12
  5. 5. Statistics Mean

    Find the mean of: 3, 6, 11, 3

    Answer: 5.75

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