Keystones — Capstone
Five GCSE retrieval questions · 9 January 2024 · 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
Simplify: 10x - 4x + 5y - 3y
Answer: 6x + 2y -
3. Geometry
Adjacent = 29cm, hypotenuse = 37cm. Find the angle
Answer: 38.4° -
4. Ratio
Calculate 48.4% of 739
Answer: 357.68 -
5. Statistics
The mean of 5 numbers is 36. If 4 of them are 26, 37, 41, 21, what is the missing number?
Answer: 55