Keystones — Capstone
Five GCSE retrieval questions · 5 October 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 30cm, hypotenuse = 42cm. Find the angle
Answer: 44.4° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 35. If 4 of them are 24, 45, 35, 32, what is the missing number?
Answer: 39