Keystones — Lintel
Five GCSE retrieval questions · 10 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 776
Answer: 1774 -
2. Algebra
Factorise fully: 25x² + 35x
Answer: 5x(5x + 7) -
3. Geometry
Calculate the distance between (7, 10) and (10, 14)
Answer: 5 -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 39, 47, 47, 22, 41, 8, 9, 34
Answer: 30.9