Keystones — Capstone
Five GCSE retrieval questions · 23 August 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: x⁄2 = 15
Answer: x = 30 -
3. Geometry
Adjacent = 17cm, hypotenuse = 34cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 23. If 4 of them are 28, 35, 31, 36, what is the missing number?
Answer: -15