Keystones — Lintel
Five GCSE retrieval questions · 5 October 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄7 = 4
Answer: x = 28 -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Find 84% of 473
Answer: 397.32 -
5. Statistics
Calculate the mean of: 48, 29, 11, 27, 40, 7, 23
Answer: 26.4