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Cornerstone · Grades 3–5 Keystones #1 5 June 2021
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Keystones — Cornerstone

Five GCSE retrieval questions · 5 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄6 + 4⁄6

    Answer: 5⁄6
  2. 2. Algebra

    What is the next term? 2, 6, 18, 54, ...

    Answer: 162
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify: 9:18:12

    Answer: 3:6:4
  5. 5. Statistics

    Find the mean of: 10, 18, 10, 11, 15

    Answer: 12.8

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