Keystones — Lintel
Five GCSE retrieval questions · 8 December 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 199, 292, and 83
Answer: 574 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Find the perimeter: hypotenuse = 24cm, one side = 15cm
Answer: 57.7cm -
4. Ratio
Find 36% of 265
Answer: 95.4 -
5. Statistics
Find the range of: 26, 13, 29, 4, -17
Answer: 46