Keystones — Lintel
Five GCSE retrieval questions · 7 December 2021 · mathsvault.uk/keystones
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1. Number Converting to standard form
4400000
Answer: 4.4 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² - 12x + 35
Answer: (x - 5)(x - 7) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 33cm, angle = 57°. Find adjacent side
Answer: 18cm -
4. Ratio Mixed ratio problems
£192.00 is shared between A and B in the ratio 5:3. How much does A receive?
Answer: £120.00 -
5. Statistics Mean
Calculate the mean of: 12, 21, 43, 19, 43, 50, 33
Answer: 31.6