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Cornerstone · Grades 3–5 Keystones #1 12 June 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 12 June 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra Two-step equations

    Solve: 4x + 4 = 44

    Answer: x = 10
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 6cm and b = 14cm

    Answer: 15.23cm
  4. 4. Ratio Sharing in a ratio

    Divide 110 in the ratio 3:3:4

    Answer: 33, 33 and 44
  5. 5. Statistics Mean

    Calculate the mean of: 36, 32, 42, 24, 45, 16, 33

    Answer: 32.6

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