Keystones — Lintel
Five GCSE retrieval questions · 11 June 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: 4x = 48
Answer: x = 12 -
3. Geometry
Adjacent = 19cm, hypotenuse = 35cm. Find the angle
Answer: 57.1° -
4. Ratio
Find 66% of 105
Answer: 69.3 -
5. Statistics
Find the range of: 25, -1, 23, 14, -15
Answer: 40