Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 2² × 5
Answer: 20 -
2. Algebra
Factorise: 12x + 6
Answer: 3(4x + 2) -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics
Find the mean of: 7, 4, 15, 20, 19
Answer: 13