Keystones — Capstone
Five GCSE retrieval questions · 19 December 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Find the distance between (-8, 0) and (11, 6)
Answer: 19.92 -
4. Ratio
Calculate 29.1% of 985
Answer: 286.64 -
5. Statistics
The mean of 6 numbers is 27. If 5 of them are 47, 48, 19, 45, 18, what is the missing number?
Answer: -15