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Cornerstone · Grades 3–5 Keystones #1 9 December 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 December 2024 · mathsvault.uk/keystones

  1. 1. Number

    Add: 1⁄8 + 3⁄4

    Answer: 7⁄8
  2. 2. Algebra

    Expand: 2(5x + 7)

    Answer: 10x + 14
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Find 41% of 78

    Answer: 31.98
  5. 5. Statistics

    Find the mean of: 3, 17, 16, 10, 19

    Answer: 13

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