Keystones — Lintel
Five GCSE retrieval questions · 24 August 2018 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.082
Answer: 8.2 × 10-2 -
2. Algebra Factorising monic quadratics
Factorise: x² - 9x + 18
Answer: (x - 3)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 31cm, angle = 59°. Find adjacent side
Answer: 16cm -
4. Ratio Mixed ratio problems
Simplify: 15:9:9
Answer: 5:3:3 -
5. Statistics Mean
Calculate the mean of: 34, 48, 46, 29, 5, 50
Answer: 35.3