Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄7 + 3⁄7
Answer: 6⁄7 -
2. Algebra
Find the next term: 15, 17, 19, 21, ...
Answer: 23 -
3. Geometry
Find the area of a right triangle with base 10cm and height 9cm
Answer: 45cm² -
4. Ratio
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2