Keystones — Bedrock
Five GCSE retrieval questions · 2 March 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 16⁄20
Answer: 4⁄5 -
2. Algebra Next term in a sequence
Find the next term: 28, 33, 38, 43, ...
Answer: 48 -
3. Geometry Properties of polygons
What is the sum of interior angles in a pentagon?
Answer: 540° -
4. Ratio Sharing in a ratio
Share 60 in the ratio 4:1
Answer: 48 and 12 -
5. Statistics Median
Find the median of: 8, 7, 18, 19, 6
Answer: 8