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Bedrock · Grades 1–3 Keystones #1 21 February 2024
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Keystones — Bedrock

Five GCSE retrieval questions · 21 February 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 27 + 47

    Answer: 67
  2. 2. Algebra

    Find the next term: 15, 21, 27, 33, ...

    Answer: 39
  3. 3. Geometry

    Find the area of a right triangle with base 7cm and height 12cm

    Answer: 42cm²
  4. 4. Ratio

    Simplify the ratio 9:18

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 6, 2, 8, 15, 15

    Answer: 9.2