Keystones — Lintel
Five GCSE retrieval questions · 29 February 2020 · mathsvault.uk/keystones
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1. Number Converting to standard form
2200000
Answer: 2.2 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + 5x - 6
Answer: (x + 6)(x - 1) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 20cm, angle = 31°. Find adjacent side
Answer: 17.cm -
4. Ratio Mixed ratio problems
£138.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £92.00 -
5. Statistics Mean
Calculate the mean of: 19, 34, 39, 19, 42, 48, 38
Answer: 34.1