Keystones — Capstone
Five GCSE retrieval questions · 5 August 2023 · 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
Simplify: 12x - 2x + 3y - 2y
Answer: 10x + y -
3. Geometry
Adjacent = 28cm, hypotenuse = 35cm. Find the angle
Answer: 36.9° -
4. Ratio
Calculate 11.5% of 702
Answer: 80.73 -
5. Statistics
The mean of 5 numbers is 29. If 4 of them are 46, 37, 16, 28, what is the missing number?
Answer: 18