Keystones — Capstone
Five GCSE retrieval questions · 23 April 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 18cm, hypotenuse = 34cm. Find the angle
Answer: 58° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 30. If 4 of them are 46, 33, 44, 25, what is the missing number?
Answer: 2