Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 42 + 80
Answer: 42 + 80 = 122 -
2. Algebra
Find the next term: 23, 31, 39, 47, ...
Answer: 55 -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics
Find the median of: 8, 7, 7, 8, 6
Answer: 7