Keystones — Lintel
Five GCSE retrieval questions · 23 December 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
11000
Answer: 1.1 × 104 -
2. Algebra Factorising monic quadratics
Factorise: x² - 4x + 4
Answer: (x - 2)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 30cm, angle = 26°. Find adjacent side
Answer: 27cm -
4. Ratio Mixed ratio problems
£161.00 is shared between A and B in the ratio 2:5. How much does A receive?
Answer: £46.00 -
5. Statistics Mean
Calculate the mean of: 8, 24, 33, 20, 23, 47
Answer: 25.8