Keystones — Capstone
Five GCSE retrieval questions · 9 October 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Solve: x⁄7 = 2
Answer: x = 14 -
3. Geometry
Adjacent = 30cm, hypotenuse = 44cm. Find the angle
Answer: 47° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 33. If 5 of them are 25, 19, 20, 40, 23, what is the missing number?
Answer: 71