Keystones — Capstone
Five GCSE retrieval questions · 22 September 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 28cm, hypotenuse = 36cm. Find the angle
Answer: 38.9° -
4. Ratio
Calculate 27.6% of 225
Answer: 62.1 -
5. Statistics
The mean of 5 numbers is 38. If 4 of them are 25, 40, 38, 37, what is the missing number?
Answer: 50