Keystones — Capstone
Five GCSE retrieval questions · 13 December 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 14cm, hypotenuse = 26cm. Find the angle
Answer: 57.4° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 32. If 5 of them are 29, 36, 18, 15, 44, what is the missing number?
Answer: 50