Keystones — Lintel
Five GCSE retrieval questions · 19 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 820
Answer: 1818 -
2. Algebra
Factorise fully: 28x² + 24x
Answer: 4x(7x + 6) -
3. Geometry
Adjacent = 27cm, hypotenuse = 32cm. Find the angle
Answer: 32.5° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 30, 25, 39, 48, 48, 50
Answer: 40