Keystones — Capstone
Five GCSE retrieval questions · 2 November 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 19cm, hypotenuse = 24cm. Find the angle
Answer: 37.7° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 27. If 3 of them are 29, 48, 34, what is the missing number?
Answer: -3