Keystones — Lintel
Five GCSE retrieval questions · 1 August 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 875
Answer: 1872 -
2. Algebra
What is the next term? 2, 6, 18, 54, ...
Answer: 162 -
3. Geometry
Adjacent = 26cm, hypotenuse = 46cm. Find the angle
Answer: 55.6° -
4. Ratio
Find 19% of 334
Answer: 63.46 -
5. Statistics
Find the range of: 9, -13, 28, 22, 23
Answer: 41