Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 15⁄9
Answer: 5⁄3 -
2. Algebra Next term in a sequence
Find the next term: 7, 10, 13, 16, ...
Answer: 19 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 12-sided polygon
Answer: 30° -
4. Ratio Sharing in a ratio
Share 35 in the ratio 4:3
Answer: 20 and 15 -
5. Statistics Median
Find the median of: 18, 5, 9, 20, 18
Answer: 18