Keystones — Lintel
Five GCSE retrieval questions · 7 March 2020 · mathsvault.uk/keystones
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1. Number Converting to standard form
5900000
Answer: 5.9 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + x - 6
Answer: (x + 3)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 24cm, angle = 49°. Find opposite
Answer: 27.6cm -
4. Ratio Mixed ratio problems
Divide 240 in the ratio 3:3:4
Answer: 72, 72 and 96 -
5. Statistics Mean
Calculate the mean of: 27, 29, 46, 11, 22, 47
Answer: 30.3