Keystones — Lintel
Five GCSE retrieval questions · 16 July 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
79000000
Answer: 7.9 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² - 10x + 24
Answer: (x - 6)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 29cm, angle = 64°. Find adjacent side
Answer: 12.7cm -
4. Ratio Mixed ratio problems
£322.00 is shared between A and B in the ratio 4:3. How much does A receive?
Answer: £184.00 -
5. Statistics Mean
Calculate the mean of: 17, 10, 5, 5, 35, 43, 14
Answer: 18.4