Keystones — Lintel
Five GCSE retrieval questions · 6 July 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
5800000
Answer: 5.8 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + 2x - 48
Answer: (x + 8)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 38cm, angle = 51°. Find adjacent side
Answer: 23.9cm -
4. Ratio Mixed ratio problems
Divide 216 in the ratio 4:1:4
Answer: 96, 24 and 96 -
5. Statistics Mean
Calculate the mean of: 49, 24, 33, 29, 20, 8
Answer: 27.2