Keystones — Lintel
Five GCSE retrieval questions · 22 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 959 + 326
Answer: 959 + 326 = 1285 -
2. Algebra
Factorise fully: 15x² + 10x
Answer: 5x(3x + 2) -
3. Geometry
Opposite = 11cm, adjacent = 16cm. Calculate the angle
Answer: 34.5° -
4. Ratio
Simplify: 16:16:24
Answer: 2:2:3 -
5. Statistics
Find the range of: 30, -9, -6, 18, -23
Answer: 53