Keystones — Capstone
Five GCSE retrieval questions · 2 April 2021 · 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 = 36cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 24. If 4 of them are 25, 40, 49, 43, what is the missing number?
Answer: -37