Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 7.2 + 9.9
Answer: 7.2 + 9.9 = 17.1 -
2. Algebra
Find the next term: 6, 8, 10, 12, ...
Answer: 14 -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics
Find the mean of: 17, 4, 15
Answer: 12