Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 40⁄15
Answer: 8⁄3 -
2. Algebra Next term in a sequence
Find the next term: 26, 32, 38, 44, ...
Answer: 50 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 10-sided polygon
Answer: 36° -
4. Ratio Sharing in a ratio
Share 54 in the ratio 2:1
Answer: 36 and 18 -
5. Statistics Median
Find the median of: 13, 8, 16, 9, 13
Answer: 13