Keystones — Capstone
Five GCSE retrieval questions · 31 July 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: x⁄4 = 5.5
Answer: x = 22 -
3. Geometry
Adjacent = 27cm, hypotenuse = 41cm. Find the angle
Answer: 48.8° -
4. Ratio
Calculate 43% of 721
Answer: 310.03 -
5. Statistics
The mean of 6 numbers is 33. If 5 of them are 24, 18, 27, 37, 35, what is the missing number?
Answer: 57