Keystones — Lintel
Five GCSE retrieval questions · 14 December 2019 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.0051
Answer: 5.1 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² + x - 56
Answer: (x + 8)(x - 7) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 29cm, angle = 55°. Find adjacent side
Answer: 16.6cm -
4. Ratio Mixed ratio problems
£287.00 is shared between A and B in the ratio 2:5. How much does A receive?
Answer: £82.00 -
5. Statistics Mean
Calculate the mean of: 10, 33, 46, 44, 50, 33
Answer: 36