Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 81 + 44
Answer: 81 + 44 = 125 -
2. Algebra
Find the next term: 22, 31, 40, 49, ...
Answer: 58 -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics
Find the range of: 25, 17, 30, 8, 22
Answer: 22