Keystones — Lintel
Five GCSE retrieval questions · 23 August 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
21000000
Answer: 2.1 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 16
Answer: (x - 4)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 18cm, angle = 37°. Find adjacent side
Answer: 14.4cm -
4. Ratio Mixed ratio problems
£252.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £168.00 -
5. Statistics Mean
Calculate the mean of: 43, 13, 35, 33, 25, 8
Answer: 26.2