Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 25⁄20
Answer: 5⁄4 -
2. Algebra Next term in a sequence
Find the next term: 14, 19, 24, 29, ...
Answer: 34 -
3. Geometry Properties of polygons
What is the sum of interior angles in a triangle?
Answer: 180° -
4. Ratio Sharing in a ratio
Share 28 in the ratio 3:1
Answer: 21 and 7 -
5. Statistics Median
Find the median of: 18, 19, 5, 15, 11
Answer: 15