Keystones — Lintel
Five GCSE retrieval questions · 16 May 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
9800000
Answer: 9.8 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + 2x - 3
Answer: (x + 3)(x - 1) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 15cm, angle = 59°. Find opposite
Answer: 25cm -
4. Ratio Mixed ratio problems
£161.00 is shared between A and B in the ratio 5:2. How much does A receive?
Answer: £115.00 -
5. Statistics Mean
Calculate the mean of: 35, 35, 20, 42, 14, 42
Answer: 31.3