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Cornerstone · Grades 3–5 Keystones #1 22 July 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 22 July 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 1⁄3 + 4⁄6

    Answer: 1⁄1
  2. 2. Algebra Two-step equations

    Solve: 6x + 14 = 68

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio Sharing in a ratio

    Divide 264 in the ratio 4:3:4

    Answer: 96, 72 and 96
  5. 5. Statistics Mean

    Find the mean of: 19, 2, 11, 20

    Answer: 13