Keystones — Lintel
Five GCSE retrieval questions · 10 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 706 + 227
Answer: 706 + 227 = 933 -
2. Algebra
For y = x³ + 7, calculate y when x = 2
Answer: y = 15 -
3. Geometry
Adjacent = 19cm, hypotenuse = 24cm. Find the angle
Answer: 37.7° -
4. Ratio
Simplify: 24:20:12
Answer: 6:5:3 -
5. Statistics
Find the range of: -11, 10, -25, 25, 29
Answer: 54