Keystones — Capstone
Five GCSE retrieval questions · 26 October 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 22cm, hypotenuse = 42cm. Find the angle
Answer: 58.4° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 33. If 3 of them are 20, 47, 28, what is the missing number?
Answer: 37