Keystones — Lintel
Five GCSE retrieval questions · 14 July 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: 998 + 790
Answer: 1788 -
2. Algebra
Factorise: 4x² + 7x
Answer: x(4x + 7) -
3. Geometry
Adjacent = 17cm, hypotenuse = 30cm. Find the angle
Answer: 55.5° -
4. Ratio
Find 75% of 267
Answer: 200.25 -
5. Statistics
Find the range of: 3, 27, 38, 6, -17
Answer: 55