Keystones — Capstone
Five GCSE retrieval questions · 26 March 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 27cm, hypotenuse = 40cm. Find the angle
Answer: 47.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄13