Keystones — Lintel
Five GCSE retrieval questions · 28 March 2026 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Collect like terms: 7x + 3y + 7x + 8y
Answer: 14x + 11y -
3. Geometry
Adjacent = 16cm, hypotenuse = 25cm. Find the angle
Answer: 50.2° -
4. Ratio
Simplify: 9:12:18
Answer: 3:4:6 -
5. Statistics
Find the range of: -23, 38, -4, 13, 42
Answer: 65