Keystones — Lintel
Five GCSE retrieval questions · 23 April 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: 990 + 756
Answer: 1746 -
2. Algebra
Factorise fully: 24x² + 8x
Answer: 4x(6x + 2) -
3. Geometry
Opposite = 12cm, adjacent = 18cm. Calculate the angle
Answer: 33.7° -
4. Ratio
Calculate 35.3% of 202
Answer: 71.31 -
5. Statistics
Find the range of: -30, -1, 21, 33, -26
Answer: 63