Keystones — Lintel
Five GCSE retrieval questions · 20 January 2021 · 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 - 5x + 6
Answer: (x - 2)(x - 3) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 34cm, angle = 53°. Find adjacent side
Answer: 20.5cm -
4. Ratio Mixed ratio problems
£232.00 is shared between A and B in the ratio 5:3. How much does A receive?
Answer: £145.00 -
5. Statistics Mean
Calculate the mean of: 36, 13, 14, 27, 41, 17, 38, 38
Answer: 28