Keystones — Capstone
Five GCSE retrieval questions · 24 November 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 28cm, hypotenuse = 40cm. Find the angle
Answer: 45.6° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 25. If 4 of them are 42, 44, 35, 50, what is the missing number?
Answer: -46