Keystones — Lintel
Five GCSE retrieval questions · 4 June 2025 · mathsvault.uk/keystones
-
1. Number Converting to standard form
4500000
Answer: 4.5 × 106 -
2. Algebra Factorising monic quadratics
Factorise: x² - 9x + 14
Answer: (x - 7)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 18cm, angle = 27°. Find adjacent side
Answer: 16cm -
4. Ratio Mixed ratio problems
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 32, 24, 37, 38, 10, 26, 14
Answer: 25.9