Keystones — Capstone
Five GCSE retrieval questions · 7 December 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 27cm, hypotenuse = 43cm. Find the angle
Answer: 51.1° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 33. If 5 of them are 47, 47, 29, 47, 16, what is the missing number?
Answer: 12