Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 24⁄8
Answer: 6⁄2 -
2. Algebra Next term in a sequence
Find the next term: 15, 23, 31, 39, ...
Answer: 47 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 10-sided polygon
Answer: 36° -
4. Ratio Sharing in a ratio
Share 95 in the ratio 3:2
Answer: 57 and 38 -
5. Statistics Median
Find the median of: 7, 11, 14, 17, 15
Answer: 14