Keystones — Capstone
Five GCSE retrieval questions · 16 June 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
Simplify: 10x - 6x + 6y - y
Answer: 4x + 5y -
3. Geometry
Adjacent = 26cm, hypotenuse = 38cm. Find the angle
Answer: 46.8° -
4. Ratio
Calculate 41.1% of 928
Answer: 381.41 -
5. Statistics
The mean of 4 numbers is 23. If 3 of them are 17, 18, 27, what is the missing number?
Answer: 30