Keystones — Lintel
Five GCSE retrieval questions · 27 April 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
3700000
Answer: 3.7 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 12
Answer: (x - 6)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 36cm, angle = 44°. Find adjacent side
Answer: 25.9cm -
4. Ratio Mixed ratio problems
£246.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £164.00 -
5. Statistics Mean
The mean of 5 numbers is 38. If 4 of them are 50, 34, 34, 29, what is the missing number?
Answer: 43