Keystones — Bedrock
Five GCSE retrieval questions · 5 November 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 12⁄24
Answer: 3⁄6 -
2. Algebra Next term in a sequence
Find the next term: 12, 17, 22, 27, ...
Answer: 32 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 12-sided polygon
Answer: 30° -
4. Ratio Sharing in a ratio
Share 85 in the ratio 4:1
Answer: 68 and 17 -
5. Statistics Median
Find the median of: 12, 11, 13, 17, 9
Answer: 12