Keystones — Lintel
Five GCSE retrieval questions · 15 January 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Calculate the distance between (3, 2) and (6, 6)
Answer: 5 -
4. Ratio
Calculate 41% of 925
Answer: 379.25 -
5. Statistics
A spinner has 5 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄12