Keystones — Capstone
Five GCSE retrieval questions · 23 February 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Simplify: 6x - 4x + 6y - 3y
Answer: 2x + 3y -
3. Geometry
Adjacent = 28cm, hypotenuse = 36cm. Find the angle
Answer: 38.9° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 26. If 3 of them are 45, 35, 42, what is the missing number?
Answer: -18