Keystones — Lintel
Five GCSE retrieval questions · 1 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 3⁄4 + 1⁄3
Answer: 17⁄12 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 37, 15, 15, 33, 45, 34, 25
Answer: 29.1