Keystones — Lintel
Five GCSE retrieval questions · 19 May 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
93000000
Answer: 9.3 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² + 5x - 6
Answer: (x + 6)(x - 1) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 10cm, angle = 49°. Find opposite
Answer: 11.5cm -
4. Ratio Mixed ratio problems
£184.00 is shared between A and B in the ratio 5:3. How much does A receive?
Answer: £115.00 -
5. Statistics Mean
Calculate the mean of: 37, 6, 28, 34, 26, 46, 14, 30
Answer: 27.6