Keystones — Capstone
Five GCSE retrieval questions · 10 August 2026 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Solve: x⁄5 = 6.2
Answer: x = 31 -
3. Geometry
Adjacent = 19cm, hypotenuse = 31cm. Find the angle
Answer: 52.2° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 25. If 4 of them are 47, 30, 35, 23, what is the missing number?
Answer: -10