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Today's Keystones

Five retrieval questions for today — one from each strand. The five skills stay the same for the week, with new numbers each day. Choose your tier, then have a go.

Bedrock Cornerstone Lintel Capstone
Bedrock · Grades 1–3 Keystones #311 7 November 2026 (today) Skills week 3 of 7

Keystones — Bedrock

Five GCSE retrieval questions · 7 November 2026

  1. 1. Number Simplifying fractions

    Simplify: 9⁄15

    Answer: 3⁄5
  2. 2. Algebra Next term in a sequence

    Find the next term: 7, 9, 11, 13, ...

    Answer: 15
  3. 3. Geometry Properties of polygons

    Calculate one exterior angle of a regular 8-sided polygon

    Answer: 45°
  4. 4. Ratio Sharing in a ratio

    Share 40 in the ratio 1:4

    Answer: 8 and 32
  5. 5. Statistics Median

    Find the median of: 13, 19, 16, 5, 15

    Answer: 15