Keystones — Lintel
Five GCSE retrieval questions · 27 April 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.08
Answer: 8 × 10-2 -
2. Algebra Factorising monic quadratics
Factorise: x² - 11x + 30
Answer: (x - 5)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 18cm, angle = 28°. Find adjacent side
Answer: 15.9cm -
4. Ratio Mixed ratio problems
£342.00 is shared between A and B in the ratio 4:5. How much does A receive?
Answer: £152.00 -
5. Statistics Mean
Calculate the mean of: 19, 23, 39, 28, 29, 24
Answer: 27