Keystones — Capstone
Five GCSE retrieval questions · 3 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
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 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 33. If 4 of them are 41, 20, 41, 46, what is the missing number?
Answer: 17