Keystones — Lintel
Five GCSE retrieval questions · 5 June 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
360000
Answer: 3.6 × 105 -
2. Algebra Factorising monic quadratics
Factorise: x² - 12x + 35
Answer: (x - 7)(x - 5) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 30cm, angle = 53°. Find opposite
Answer: 39.8cm -
4. Ratio Mixed ratio problems
£294.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £196.00 -
5. Statistics Mean
Calculate the mean of: 33, 5, 45, 9, 48, 46, 34
Answer: 31.4