Keystones — Lintel
Five GCSE retrieval questions · 14 November 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Factorise: 4x² + 9x
Answer: x(4x + 9) -
3. Geometry
Adjacent = 15cm, hypotenuse = 32cm. Find the angle
Answer: 62° -
4. Ratio
Simplify: 10:4:12
Answer: 5:2:6 -
5. Statistics
Find the range of: 48, -9, -16, 46, 3
Answer: 64