Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 90
Answer: 23 + 90 = 113 -
2. Algebra
Find the next term: 5, 10, 15, 20, ...
Answer: 25 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Calculate 10% of 75
Answer: 7.5 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2