Keystones — Lintel
Five GCSE retrieval questions · 13 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 724
Answer: 1720 -
2. Algebra
Solve: 7x + 7 = 5x - 7
Answer: x = 7 -
3. Geometry
Opposite = 16cm, adjacent = 8cm. Calculate the angle
Answer: 63.4° -
4. Ratio
Calculate 37.3% of 799
Answer: 298.03 -
5. Statistics
Calculate the mean of: 41, 19, 12, 23, 38, 9
Answer: 23.7