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Cornerstone · Grades 3–5 Keystones #1 16 July 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 16 July 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄6 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra Two-step equations

    Solve: 5x - 8 = 57

    Answer: x = 13
  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

    Divide 128 in the ratio 1:1:2

    Answer: 32, 32 and 64
  5. 5. Statistics Mean

    Find the mean of: 16, 19, 19

    Answer: 18

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