Keystones — Lintel
Five GCSE retrieval questions · 2 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 654
Answer: 1652 -
2. Algebra
For y = x³ + 4, calculate y when x = 3
Answer: y = 31 -
3. Geometry
Adjacent = 18cm, hypotenuse = 35cm. Find the angle
Answer: 59.1° -
4. Ratio
Calculate 35.1% of 942
Answer: 330.64 -
5. Statistics
Calculate the mean of: 8, 31, 37, 27, 29, 22, 13, 40
Answer: 25.9