Keystones — Lintel
Five GCSE retrieval questions · 3 May 2019 · mathsvault.uk/keystones
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1. Number Converting to standard form
190000
Answer: 1.9 × 105 -
2. Algebra Factorising monic quadratics
Factorise: x² + x - 6
Answer: (x + 3)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 16cm, angle = 58°. Find opposite
Answer: 25.6cm -
4. Ratio Mixed ratio problems
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 44, 32, 11, 31, 45, 35, 34, 36
Answer: 33.5