Keystones — Lintel
Five GCSE retrieval questions · 21 December 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.092
Answer: 9.2 × 10^-2 -
2. Algebra Factorising monic quadratics
Factorise: x² - 4x + 4
Answer: (x - 2)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 36cm, angle = 54°. Find adjacent side
Answer: 21.2cm -
4. Ratio Mixed ratio problems
£315.00 is shared between A and B in the ratio 5:2. How much does A receive?
Answer: £225.00 -
5. Statistics Mean
Calculate the mean of: 37, 46, 33, 19, 16, 38, 11, 27
Answer: 28.4