Keystones — Lintel
Five GCSE retrieval questions · 4 August 2022 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.026
Answer: 2.6 × 10-2 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 16
Answer: (x - 4)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 15cm, angle = 51°. Find adjacent side
Answer: 9.4cm -
4. Ratio Mixed ratio problems
Simplify: 24:12:12
Answer: 2:1:1 -
5. Statistics Mean
Calculate the mean of: 16, 36, 46, 6, 6, 38
Answer: 24.7