Keystones — Lintel
Five GCSE retrieval questions · 6 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 810
Answer: 1804 -
2. Algebra
Factorise: 2x² + 4x
Answer: 2x(x + 2) -
3. Geometry
Find the distance between (-8, -5) and (5, 5)
Answer: 16.4 -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 18, 7, 16, 10, 40, 29, 24
Answer: 20.6