Keystones — Lintel
Five GCSE retrieval questions · 9 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 814 + 501
Answer: 814 + 501 = 1315 -
2. Algebra
What is the next term? 7, 21, 63, 189, ...
Answer: 567 -
3. Geometry
Opposite = 18cm, adjacent = 11cm. Calculate the angle
Answer: 58.6° -
4. Ratio
Simplify: 8:6:6
Answer: 4:3:3 -
5. Statistics
Calculate the mean of: 34, 46, 10, 10, 35, 47
Answer: 30.3