Keystones — Capstone
Five GCSE retrieval questions · 19 September 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Simplify: 24x²y³ ÷ 6xy²
Answer: 4xy -
3. Geometry
Find the distance between (-3, -6) and (7, 11)
Answer: 19.72 -
4. Ratio
Calculate 49.4% of 944
Answer: 466.34 -
5. Statistics
The mean of 6 numbers is 26. If 5 of them are 45, 28, 34, 47, 28, what is the missing number?
Answer: -26