Keystones — Lintel
Five GCSE retrieval questions · 29 December 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 168, 229, and 139
Answer: 536 -
2. Algebra
Solve: 5x = 20
Answer: x = 4 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Find 38% of 56
Answer: 21.28 -
5. Statistics
Find the range of: -2, 18, 0, 41, -29
Answer: 70