Keystones — Lintel
Five GCSE retrieval questions · 9 August 2018 · mathsvault.uk/keystones
-
1. Number Converting to standard form
3500000
Answer: 3.5 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² + 6x - 16
Answer: (x + 8)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 28cm, angle = 31°. Find adjacent side
Answer: 24cm -
4. Ratio Mixed ratio problems
Simplify: 18:12:15
Answer: 6:4:5 -
5. Statistics Mean
Calculate the mean of: 9, 45, 26, 32, 17, 11, 35
Answer: 25