Keystones — Capstone
Five GCSE retrieval questions · 3 May 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 23cm, hypotenuse = 34cm. Find the angle
Answer: 47.4° -
4. Ratio
Calculate 46.2% of 748
Answer: 345.58 -
5. Statistics
A spinner has 3 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄13