Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1 + 10
Answer: 11 -
2. Algebra
Find the next term: 26, 35, 44, 53, ...
Answer: 62 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics
Find the mean of: 3, 3, 3
Answer: 3