Keystones — Capstone
Five GCSE retrieval questions · 7 November 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⁄8 = 4.25
Answer: x = 34 -
3. Geometry
Find c if a = 12cm and b = 22cm in a right triangle
Answer: 25.cm -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 38. If 3 of them are 29, 41, 18, what is the missing number?
Answer: 64