Keystones — Bedrock
Five GCSE retrieval questions · 23 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 15 + 16
Answer: 15 + 16 = 31 -
2. Algebra
Find the next term: 7, 11, 15, 19, ...
Answer: 23 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 52
Answer: 13 -
5. Statistics
Find the mean of: 6, 7, 17, 10, 10
Answer: 10