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Cornerstone · Grades 3–5 Keystones #1 3 December 2023
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Keystones — Cornerstone

Five GCSE retrieval questions · 3 December 2023 · mathsvault.uk/keystones

  1. 1. Number

    Add: 1⁄3 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 2x = 22

    Answer: x = 11
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 16:10

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 17, 5, 2, 17

    Answer: 10.25

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