Keystones — Lintel
Five GCSE retrieval questions · 28 February 2022 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.0093
Answer: 9.3 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 12
Answer: (x - 2)(x - 6) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 17cm, angle = 55°. Find adjacent side
Answer: 9.8cm -
4. Ratio Mixed ratio problems
Simplify: 8:20:8
Answer: 2:5:2 -
5. Statistics Mean
Calculate the mean of: 22, 17, 31, 7, 48, 24, 43, 8
Answer: 25