Keystones — Lintel
Five GCSE retrieval questions · 28 November 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
5600000
Answer: 5.6 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² - 9x + 14
Answer: (x - 2)(x - 7) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 23cm, angle = 51°. Find adjacent side
Answer: 14.5cm -
4. Ratio Mixed ratio problems
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 34, 32, 17, 12, 36, 17, 21, 38
Answer: 25.9