Keystones — Lintel
Five GCSE retrieval questions · 25 April 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
9500000
Answer: 9.5 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + 2x - 24
Answer: (x + 6)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 19cm, angle = 61°. Find adjacent side
Answer: 9.2cm -
4. Ratio Mixed ratio problems
£252.00 is shared between A and B in the ratio 5:2. How much does A receive?
Answer: £180.00 -
5. Statistics Mean
Calculate the mean of: 43, 22, 50, 36, 49, 25, 23, 27
Answer: 34.4