Keystones — Lintel
Five GCSE retrieval questions · 13 October 2022 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.0018
Answer: 1.8 × 10^-3 -
2. Algebra Factorising monic quadratics
Factorise: x² - 4x + 4
Answer: (x - 2)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 23cm, angle = 56°. Find opposite
Answer: 34.cm -
4. Ratio Mixed ratio problems
Divide 270 in the ratio 3:2:4
Answer: 90, 60 and 120 -
5. Statistics Mean
Calculate the mean of: 36, 26, 31, 47, 45, 46, 35, 37
Answer: 37.9