Keystones — Lintel
Five GCSE retrieval questions · 8 April 2026 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Find the distance between (-5, -5) and (8, 8)
Answer: 18.38 -
4. Ratio
Simplify: 6:4:6
Answer: 3:2:3 -
5. Statistics
A spinner has 3 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄3