Keystones — Capstone
Five GCSE retrieval questions · 3 April 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Solve: x⁄5 = 3.4
Answer: x = 17 -
3. Geometry
Adjacent = 24cm, hypotenuse = 35cm. Find the angle
Answer: 46.7° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 37. If 3 of them are 23, 45, 34, what is the missing number?
Answer: 46