Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 35⁄10
Answer: 7⁄2 -
2. Algebra Next term in a sequence
Find the next term: 20, 22, 24, 26, ...
Answer: 28 -
3. Geometry Properties of polygons
What is the sum of interior angles in a pentagon?
Answer: 540° -
4. Ratio Sharing in a ratio
Share 30 in the ratio 2:1
Answer: 20 and 10 -
5. Statistics Median
Find the median of: 12, 17, 20, 15, 10
Answer: 15