Keystones — Capstone
Five GCSE retrieval questions · 21 August 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Solve: x⁄2 = 4.5
Answer: x = 9 -
3. Geometry
Adjacent = 21cm, hypotenuse = 27cm. Find the angle
Answer: 38.9° -
4. Ratio
Calculate 16.5% of 893
Answer: 147.35 -
5. Statistics
The mean of 6 numbers is 27. If 5 of them are 20, 15, 43, 39, 41, what is the missing number?
Answer: 4