Keystones — Capstone
Five GCSE retrieval questions · 2 February 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Solve: x⁄4 = 10
Answer: x = 40 -
3. Geometry
Adjacent = 18cm, hypotenuse = 31cm. Find the angle
Answer: 54.5° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 26. If 3 of them are 40, 47, 31, what is the missing number?
Answer: -14