Keystones — Capstone
Five GCSE retrieval questions · 19 November 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 995 + 854
Answer: 1849 -
2. Algebra
Factorise fully: 20x² + 12x
Answer: 4x(5x + 3) -
3. Geometry
Adjacent = 13cm, hypotenuse = 18cm. Find the angle
Answer: 43.8° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 4⁄9