Keystones — Lintel
Five GCSE retrieval questions · 1 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 722
Answer: 1712 -
2. Algebra
Factorise: 9x² + 8x
Answer: x(9x + 8) -
3. Geometry
Adjacent = 15cm, hypotenuse = 23cm. Find the angle
Answer: 49.3° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 9, 44, 11, 12, 36, 48, 37, 21
Answer: 27.3