Keystones — Capstone
Five GCSE retrieval questions · 18 July 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
Simplify: 9x - 4x + 3y - 2y
Answer: 5x + y -
3. Geometry
Adjacent = 29cm, hypotenuse = 49cm. Find the angle
Answer: 53.7° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 21. If 5 of them are 41, 28, 37, 43, 31, what is the missing number?
Answer: -54