Keystones — Lintel
Five GCSE retrieval questions · 15 July 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.056
Answer: 5.6 × 10-2 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 12
Answer: (x - 2)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 22cm, angle = 60°. Find opposite
Answer: 38.cm -
4. Ratio Mixed ratio problems
£189.00 is shared between A and B in the ratio 4:3. How much does A receive?
Answer: £108.00 -
5. Statistics Mean
Calculate the mean of: 10, 45, 34, 38, 10, 50, 9
Answer: 28