Keystones — Lintel
Five GCSE retrieval questions · 5 April 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
70000000
Answer: 7 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² + x - 2
Answer: (x + 2)(x - 1) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 34cm, angle = 60°. Find adjacent side
Answer: 17cm -
4. Ratio Mixed ratio problems
£280.00 is shared between A and B in the ratio 4:3. How much does A receive?
Answer: £160.00 -
5. Statistics Mean
Calculate the mean of: 39, 19, 42, 15, 33, 19, 47, 37
Answer: 31.4