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Cornerstone · Grades 3–5 Keystones #1 28 May 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 28 May 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2⁄5 + 2⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Find the next term: 19, 23, 27, 31, ...

    Answer: 35
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

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

    Find 23% of 124

    Answer: 28.52
  5. 5. Statistics

    Calculate the mean of: 28, 9, 26, 29, 15, 15, 8

    Answer: 18.6

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