Keystones — Lintel
Five GCSE retrieval questions · 15 August 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.007
Answer: 7 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² - 5x + 6
Answer: (x - 3)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 26cm, angle = 58°. Find opposite
Answer: 41.6cm -
4. Ratio Mixed ratio problems
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 8, 12, 40, 32, 50, 49, 21
Answer: 30.3