Keystones — Lintel
Five GCSE retrieval questions · 16 August 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 5⁄6 + 1⁄2 + 4⁄5
Answer: 32⁄15 -
2. Algebra
Factorise fully: 12x² + 12x
Answer: 3x(4x + 4) -
3. Geometry
Calculate the area of a circle with diameter 11cm
Answer: 95.03cm² -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Find the range of: 38, -5, -2, -1, -17
Answer: 55