Keystones — Lintel
Five GCSE retrieval questions · 22 June 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Factorise fully: 18x² + 12x
Answer: 3x(6x + 4) -
3. Geometry
Adjacent = 22cm, hypotenuse = 37cm. Find the angle
Answer: 53.5° -
4. Ratio
Find 18% of 269
Answer: 48.42 -
5. Statistics
Find the range of: -14, 31, 35, -14, 35
Answer: 49