Keystones — Capstone
Five GCSE retrieval questions · 13 June 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
Solve: x⁄5 = 2
Answer: x = 10 -
3. Geometry
Adjacent = 30cm, hypotenuse = 45cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 35.1% of 876
Answer: 307.48 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 47, 35, 24, 40, what is the missing number?
Answer: 49