Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 40 + 25
Answer: 40 + 25 = 65 -
2. Algebra
Factorise: 36x + 42
Answer: 6(6x + 7) -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Calculate 10% of 88
Answer: 8.8 -
5. Statistics
Find the mean of: 16, 7, 2
Answer: 8.3333333333333