Keystones — Capstone
Five GCSE retrieval questions · 10 May 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Simplify: 29x²y³ ÷ 4xy²
Answer: 7.25xy -
3. Geometry
Adjacent = 16cm, hypotenuse = 23cm. Find the angle
Answer: 45.9° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 36. If 5 of them are 34, 44, 40, 35, 35, what is the missing number?
Answer: 28