Keystones — Capstone
Five GCSE retrieval questions · 4 May 2026 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: x⁄2 = 7.5
Answer: x = 15 -
3. Geometry
Adjacent = 28cm, hypotenuse = 45cm. Find the angle
Answer: 51.5° -
4. Ratio
Calculate 28.7% of 248
Answer: 71.18 -
5. Statistics
A spinner has 3 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄11