Keystones — Lintel
Five GCSE retrieval questions · 23 January 2020 · mathsvault.uk/keystones
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1. Number Converting to standard form
80000000
Answer: 8 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² - 5x + 6
Answer: (x - 2)(x - 3) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 26cm, angle = 46°. Find opposite
Answer: 26.9cm -
4. Ratio Mixed ratio problems
£344.00 is shared between A and B in the ratio 5:3. How much does A receive?
Answer: £215.00 -
5. Statistics Mean
Calculate the mean of: 16, 17, 27, 50, 13, 22
Answer: 24.2