Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: -5 + 3
Answer: -2 -
2. Algebra
Find the next term: 8, 12, 16, 20, ...
Answer: 24 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics
Find the mean of: 3, 5, 8, 4
Answer: 5