Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 1 + 10
Answer: 11 -
2. Algebra
Factorise: 15x + 6
Answer: 3(5x + 2) -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics
Find the mean of: 16, 17, 12, 6, 18
Answer: 13.8