Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 20⁄35
Answer: 4⁄7 -
2. Algebra Next term in a sequence
Find the next term: 30, 38, 46, 54, ...
Answer: 62 -
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 4:1
Answer: 76 and 19 -
5. Statistics Median
Find the median of: 19, 8, 16, 5, 12
Answer: 12