Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: -3 + (-6)
Answer: -9 -
2. Algebra
Solve: x + 13 = 20
Answer: x = 7 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics
Find the mean of: 17, 4, 13, 10, 16
Answer: 12