Keystones — Lintel
Five GCSE retrieval questions · 26 August 2026
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1. Number
Find the total of 279, 213, and 68
Answer: 560 -
2. Algebra
Factorise: 4x² + 3x
Answer: x(4x + 3) -
3. Geometry
Adjacent = 22cm, hypotenuse = 35cm. Find the angle
Answer: 51.1° -
4. Ratio
Calculate 45.9% of 771
Answer: 353.89 -
5. Statistics
Find the range of: -23, 0, 30, 23, -4
Answer: 53