Keystones — Capstone
Five GCSE retrieval questions · 29 November 2023 · 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: 11x - 3x + 10y - 7y
Answer: 8x + 3y -
3. Geometry
Adjacent = 24cm, hypotenuse = 32cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 23. If 4 of them are 23, 50, 37, 40, what is the missing number?
Answer: -35