Keystones — Lintel
Five GCSE retrieval questions · 18 August 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 296, 118, and 90
Answer: 504 -
2. Algebra
For y = x³ + 15, calculate y when x = 2
Answer: y = 23 -
3. Geometry
Adjacent = 24cm, hypotenuse = 29cm. Find the angle
Answer: 34.1° -
4. Ratio
Calculate 41.3% of 555
Answer: 229.22 -
5. Statistics
Calculate the mean of: 17, 42, 39, 8, 25, 41
Answer: 28.7