Keystones — Bedrock
Five GCSE retrieval questions · 11 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄5 + 1⁄5
Answer: 3⁄5 -
2. Algebra
Factorise: 8x + 28
Answer: 4(2x + 7) -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Calculate 25% of 174
Answer: 43.5 -
5. Statistics
Find the mean of: 16, 4, 11, 4, 4
Answer: 7.8