Keystones — Lintel
Five GCSE retrieval questions · 19 August 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
580000
Answer: 5.8 × 105 -
2. Algebra Factorising monic quadratics
Factorise: x² - 12x + 35
Answer: (x - 7)(x - 5) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 15cm, angle = 57°. Find adjacent side
Answer: 8.2cm -
4. Ratio Mixed ratio problems
£224.00 is shared between A and B in the ratio 4:3. How much does A receive?
Answer: £128.00 -
5. Statistics Mean
Calculate the mean of: 33, 49, 34, 28, 37, 19, 28, 11
Answer: 29.9