Keystones — Capstone
Five GCSE retrieval questions · 25 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 12cm, hypotenuse = 19cm. Find the angle
Answer: 50.8° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 22. If 4 of them are 24, 31, 39, 37, what is the missing number?
Answer: -21