Keystones — Lintel
Five GCSE retrieval questions · 6 June 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
74000000
Answer: 7.4 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² - 11x + 28
Answer: (x - 7)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 37cm, angle = 63°. Find adjacent side
Answer: 16.8cm -
4. Ratio Mixed ratio problems
£384.00 is shared between A and B in the ratio 3:5. How much does A receive?
Answer: £144.00 -
5. Statistics Mean
Calculate the mean of: 19, 23, 37, 15, 47, 29
Answer: 28.3