Keystones — Capstone
Five GCSE retrieval questions · 7 July 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Simplify: 9x - 4x + 10y - 4y
Answer: 5x + 6y -
3. Geometry
Adjacent = 29cm, hypotenuse = 48cm. Find the angle
Answer: 52.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 23. If 4 of them are 23, 18, 40, 23, what is the missing number?
Answer: 11