Keystones — Capstone
Five GCSE retrieval questions · 25 June 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: x⁄4 = 5.25
Answer: x = 21 -
3. Geometry
Adjacent = 20cm, hypotenuse = 38cm. Find the angle
Answer: 58.2° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄10