Keystones — Lintel
Five GCSE retrieval questions · 2 October 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
710000
Answer: 7.1 × 105 -
2. Algebra Factorising monic quadratics
Factorise: x² - 12x + 35
Answer: (x - 7)(x - 5) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 33cm, angle = 57°. Find adjacent side
Answer: 18cm -
4. Ratio Mixed ratio problems
£240.00 is shared between A and B in the ratio 5:3. How much does A receive?
Answer: £150.00 -
5. Statistics Mean
Calculate the mean of: 19, 9, 22, 13, 19, 17
Answer: 16.5