Keystones — Capstone
Five GCSE retrieval questions · 17 May 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 30cm, hypotenuse = 47cm. Find the angle
Answer: 50.3° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 28. If 4 of them are 41, 23, 41, 46, what is the missing number?
Answer: -11