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Cornerstone · Grades 3–5 Keystones #1 10 June 2021
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Add: 2⁄7 + 3⁄6

    Answer: 11⁄14
  2. 2. Algebra

    Solve: 2x = 8

    Answer: x = 4
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Find 48% of 426

    Answer: 204.48
  5. 5. Statistics

    Find the mean of: 4, 16, 17, 4, 11

    Answer: 10.4

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