Keystones — Lintel
Five GCSE retrieval questions · 31 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 442 + 950
Answer: 442 + 950 = 1392 -
2. Algebra
Solve: 2x = 6
Answer: x = 3 -
3. Geometry
Adjacent = 18cm, hypotenuse = 26cm. Find the angle
Answer: 46.2° -
4. Ratio
Calculate 15.1% of 464
Answer: 70.06 -
5. Statistics
Calculate the mean of: 32, 9, 19, 50, 29, 9, 50, 40
Answer: 29.8