Keystones — Lintel
Five GCSE retrieval questions · 28 August 2019 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.00092
Answer: 9.2 × 10-4 -
2. Algebra Factorising monic quadratics
Factorise: x² - 6x + 8
Answer: (x - 4)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 25cm, angle = 31°. Find opposite
Answer: 15cm -
4. Ratio Mixed ratio problems
Simplify: 4:6:10
Answer: 2:3:5 -
5. Statistics Mean
Calculate the mean of: 26, 27, 15, 44, 19, 26
Answer: 26.2