Keystones — Lintel
Five GCSE retrieval questions · 27 September 2020 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.00053
Answer: 5.3 × 10-4 -
2. Algebra Factorising monic quadratics
Factorise: x² + 2x - 24
Answer: (x + 6)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 33cm, angle = 65°. Find adjacent side
Answer: 13.9cm -
4. Ratio Mixed ratio problems
Simplify: 6:10:6
Answer: 3:5:3 -
5. Statistics Mean
Calculate the mean of: 31, 37, 11, 44, 5, 12
Answer: 23.3