Keystones — Capstone
Five GCSE retrieval questions · 22 December 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: x⁄8 = 1
Answer: x = 8 -
3. Geometry
Find the distance between (-1, 0) and (3, 12)
Answer: 12.65 -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 23. If 5 of them are 25, 35, 36, 38, 46, what is the missing number?
Answer: -42