Keystones — Capstone
Five GCSE retrieval questions · 6 July 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Simplify: 5x - 4x + 6y - 5y
Answer: x + y -
3. Geometry
Adjacent = 29cm, hypotenuse = 47cm. Find the angle
Answer: 51.9° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 20. If 5 of them are 27, 19, 42, 16, 32, what is the missing number?
Answer: -16