Keystones — Capstone
Five GCSE retrieval questions · 30 July 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: x⁄3 = 11
Answer: x = 33 -
3. Geometry
Adjacent = 21cm, hypotenuse = 37cm. Find the angle
Answer: 55.4° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 35. If 5 of them are 45, 50, 36, 45, 25, what is the missing number?
Answer: 9