Keystones — Lintel
Five GCSE retrieval questions · 7 March 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
51000
Answer: 5.1 × 104 -
2. Algebra Factorising monic quadratics
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 39cm, angle = 29°. Find adjacent side
Answer: 34.cm -
4. Ratio Mixed ratio problems
£384.00 is shared between A and B in the ratio 5:3. How much does A receive?
Answer: £240.00 -
5. Statistics Mean
Calculate the mean of: 18, 35, 50, 44, 17, 21
Answer: 30.8