Keystones — Lintel
Five GCSE retrieval questions · 25 March 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.088
Answer: 8.8 × 10-2 -
2. Algebra Factorising monic quadratics
Factorise: x² - 5x + 6
Answer: (x - 3)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 32cm, angle = 60°. Find adjacent side
Answer: 16cm -
4. Ratio Mixed ratio problems
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 40, 43, 18, 10, 25, 29
Answer: 27.5