Keystones — Lintel
Five GCSE retrieval questions · 10 November 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 115, 101, and 91
Answer: 307 -
2. Algebra
Factorise fully: 35x² + 25x
Answer: 5x(7x + 5) -
3. Geometry
Adjacent = 16cm, hypotenuse = 25cm. Find the angle
Answer: 50.2° -
4. Ratio
Simplify: 24:16:12
Answer: 6:4:3 -
5. Statistics
Find the range of: -8, -17, 30, 30, -6
Answer: 47