Keystones — Capstone
Five GCSE retrieval questions · 13 January 2025 · 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: 20x²y³ ÷ 6xy²
Answer: 3.3333333333333xy -
3. Geometry
Find the distance between (0, -2) and (7, 5)
Answer: 9.9 -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 37. If 3 of them are 28, 36, 23, what is the missing number?
Answer: 61