Keystones — Lintel
Five GCSE retrieval questions · 30 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 1⁄3 + 1⁄2
Answer: 7⁄6 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Opposite = 15cm, adjacent = 12cm. Calculate the angle
Answer: 51.3° -
4. Ratio
Find 81% of 486
Answer: 393.66 -
5. Statistics
Find the range of: -26, -16, 44, 20, 17
Answer: 70