Keystones — Lintel
Five GCSE retrieval questions · 27 August 2020 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.0089
Answer: 8.9 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² - 11x + 30
Answer: (x - 5)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 26cm, angle = 53°. Find adjacent side
Answer: 15.6cm -
4. Ratio Mixed ratio problems
£329.00 is shared between A and B in the ratio 2:5. How much does A receive?
Answer: £94.00 -
5. Statistics Mean
Calculate the mean of: 22, 39, 7, 32, 9, 49
Answer: 26.3