Keystones — Lintel
Five GCSE retrieval questions · 2 March 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
2700000
Answer: 2.7 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 12
Answer: (x - 2)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 17cm, angle = 48°. Find adjacent side
Answer: 11.4cm -
4. Ratio Mixed ratio problems
Divide 232 in the ratio 4:3:1
Answer: 116, 87 and 29 -
5. Statistics Mean
Calculate the mean of: 16, 22, 12, 43, 27, 33, 49, 9
Answer: 26.4