Keystones — Capstone
Five GCSE retrieval questions · 11 April 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
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Find the distance between (-2, -4) and (8, 3)
Answer: 12.21 -
4. Ratio
Calculate 44.9% of 400
Answer: 179.6 -
5. Statistics
The mean of 4 numbers is 22. If 3 of them are 40, 50, 28, what is the missing number?
Answer: -30