Keystones — Lintel
Five GCSE retrieval questions · 24 May 2021 · mathsvault.uk/keystones
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1. Number Converting to standard form
9500000
Answer: 9.5 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + x - 2
Answer: (x + 2)(x - 1) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 40cm, angle = 37°. Find adjacent side
Answer: 31.9cm -
4. Ratio Mixed ratio problems
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 33, 29, 29, 49, 37, 40, 32, 8
Answer: 32.1