Keystones — Capstone
Five GCSE retrieval questions · 15 December 2025 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Simplify: 8x - 4x + 7y - 5y
Answer: 4x + 2y -
3. Geometry
Adjacent = 14cm, hypotenuse = 32cm. Find the angle
Answer: 64.1° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄16