Keystones — Lintel
Five GCSE retrieval questions · 12 July 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 29cm, hypotenuse = 36cm. Find the angle
Answer: 36.3° -
4. Ratio
Simplify: 15:18:12
Answer: 5:6:4 -
5. Statistics
Calculate the mean of: 26, 26, 37, 7, 44, 41
Answer: 30.2