Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 18⁄21
Answer: 6⁄7 -
2. Algebra Next term in a sequence
Find the next term: 14, 23, 32, 41, ...
Answer: 50 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 6-sided polygon
Answer: 60° -
4. Ratio Sharing in a ratio
Share 90 in the ratio 2:3
Answer: 36 and 54 -
5. Statistics Median
Find the median of: 19, 8, 14, 14, 11
Answer: 14