Keystones — Lintel
Five GCSE retrieval questions · 19 August 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.0098
Answer: 9.8 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² - 10x + 24
Answer: (x - 4)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 32cm, angle = 58°. Find adjacent side
Answer: 17cm -
4. Ratio Mixed ratio problems
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 35, 36, 29, 46, 14, 27, 10, 31
Answer: 28.5