Keystones — Lintel
Five GCSE retrieval questions · 17 May 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
450000
Answer: 4.5 × 105 -
2. Algebra Factorising monic quadratics
Factorise: x² - 9x + 14
Answer: (x - 2)(x - 7) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 34cm, angle = 57°. Find adjacent side
Answer: 18.5cm -
4. Ratio Mixed ratio problems
£378.00 is shared between A and B in the ratio 5:4. How much does A receive?
Answer: £210.00 -
5. Statistics Mean
Calculate the mean of: 13, 27, 11, 49, 26, 8
Answer: 22.3