Keystones — Lintel
Five GCSE retrieval questions · 26 July 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
0.0041
Answer: 4.1 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² + x - 6
Answer: (x + 3)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 24cm, angle = 52°. Find adjacent side
Answer: 14.8cm -
4. Ratio Mixed ratio problems
Simplify: 4:12:12
Answer: 1:3:3 -
5. Statistics Mean
Calculate the mean of: 16, 35, 26, 10, 29, 28, 38
Answer: 26