Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 15⁄15
Answer: 3⁄3 -
2. Algebra Next term in a sequence
Find the next term: 24, 31, 38, 45, ...
Answer: 52 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 8-sided polygon
Answer: 45° -
4. Ratio Sharing in a ratio
Share 84 in the ratio 2:1
Answer: 56 and 28 -
5. Statistics Median
Find the median of: 14, 17, 18, 19, 20
Answer: 18