Keystones — Lintel
Five GCSE retrieval questions · 4 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 792
Answer: 1790 -
2. Algebra
Solve: 5x = 60
Answer: x = 12 -
3. Geometry
Adjacent = 25cm, hypotenuse = 37cm. Find the angle
Answer: 47.5° -
4. Ratio
Find 15% of 195
Answer: 29.25 -
5. Statistics
Find the range of: -27, 18, 41, 49, 9
Answer: 76