Keystones — Lintel
Five GCSE retrieval questions · 1 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 484 + 625
Answer: 484 + 625 = 1109 -
2. Algebra
Solve: 8x = 88
Answer: x = 11 -
3. Geometry
Opposite = 17cm, adjacent = 16cm. Calculate the angle
Answer: 46.7° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 41, 8, 30, 12, 36, 10
Answer: 22.8