Keystones — Lintel
Five GCSE retrieval questions · 1 September 2014 · mathsvault.uk/keystones
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1. Number Converting to standard form
Write 38,000 in standard form
Answer: 3.8 × 104 -
2. Algebra Factorising monic quadratics
Factorise: x² - 7x + 6
Answer: (x - 1)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 37cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places
Answer: 17.94cm -
4. Ratio Mixed ratio problems
£162.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £108.00 -
5. Statistics Mean
Calculate the mean of: 33, 22, 29, 42, 22, 9. Give your answer to 2 decimal places
Answer: 26.17