Keystones — Lintel
Five GCSE retrieval questions · 9 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 747
Answer: 1741 -
2. Algebra
Factorise fully: 28x² + 8x
Answer: 4x(7x + 2) -
3. Geometry
Adjacent = 15cm, hypotenuse = 30cm. Find the angle
Answer: 60° -
4. Ratio
Calculate 47.7% of 819
Answer: 390.66 -
5. Statistics
Calculate the mean of: 47, 16, 49, 20, 14, 49, 44
Answer: 34.1