Keystones — Lintel
Five GCSE retrieval questions · 26 February 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Factorise fully: 12x² + 14x
Answer: 2x(6x + 7) -
3. Geometry
Adjacent = 27cm, hypotenuse = 46cm. Find the angle
Answer: 54.1° -
4. Ratio
Find 28% of 284
Answer: 79.52 -
5. Statistics
Find the range of: -3, 24, -25, 10, 9
Answer: 49