Keystones — Lintel
Five GCSE retrieval questions · 28 August 2018 · mathsvault.uk/keystones
-
1. Number Converting to standard form
94000000
Answer: 9.4 × 107 -
2. Algebra Factorising monic quadratics
Factorise: x² - 7x + 12
Answer: (x - 4)(x - 3) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 15cm, angle = 53°. Find opposite
Answer: 19.9cm -
4. Ratio Mixed ratio problems
Simplify: 6:8:10
Answer: 3:4:5 -
5. Statistics Mean
Calculate the mean of: 29, 40, 26, 19, 16, 38, 21, 6
Answer: 24.4