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Bedrock · Grades 1–3 Keystones #1 14 November 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 14 November 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 412 + 412

    Answer: 23
  2. 2. Algebra

    Find the next term: 21, 26, 31, 36, ...

    Answer: 41
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

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

    Simplify the ratio 30:10

    Answer: 3:1
  5. 5. Statistics

    Find the median of: 18, 13, 9, 12, 18

    Answer: 13