Keystones — Capstone
Five GCSE retrieval questions · 26 December 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Simplify: 5x - 2x + 9y - 3y
Answer: 3x + 6y -
3. Geometry
Find the distance between (-7, 2) and (3, 12)
Answer: 14.14 -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 24. If 5 of them are 44, 22, 31, 20, 26, what is the missing number?
Answer: 1