Keystones — Lintel
Five GCSE retrieval questions · 12 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 636 + 341
Answer: 636 + 341 = 977 -
2. Algebra
Factorise fully: 10x² + 6x
Answer: 2x(5x + 3) -
3. Geometry
Calculate the hypotenuse when a = 6cm and b = 6cm
Answer: 8.49cm -
4. Ratio
Find 56% of 307
Answer: 171.92 -
5. Statistics
Calculate the mean of: 13, 8, 38, 30, 50, 42
Answer: 30.2