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Bedrock · Grades 1–3 Keystones #261 18 September 2026 Skills week 3 of 7
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Keystones — Bedrock

Five GCSE retrieval questions · 18 September 2026 · mathsvault.uk/keystones

  1. 1. Number Simplifying fractions

    Simplify: 40⁄15

    Answer: 8⁄3
  2. 2. Algebra Next term in a sequence

    Find the next term: 26, 32, 38, 44, ...

    Answer: 50
  3. 3. Geometry Properties of polygons

    Calculate one exterior angle of a regular 10-sided polygon

    Answer: 36°
  4. 4. Ratio Sharing in a ratio

    Share 54 in the ratio 2:1

    Answer: 36 and 18
  5. 5. Statistics Median

    Find the median of: 13, 8, 16, 9, 13

    Answer: 13