Keystones — Lintel
Five GCSE retrieval questions · 28 January 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: 7x + 11 = 5x - 8
Answer: x = 9.5 -
3. Geometry
A circle has area 314.2cm². Find its radius (dp)
Answer: 10cm -
4. Ratio
Calculate 37.7% of 583
Answer: 219.79 -
5. Statistics
Calculate the mean of: 17, 7, 29, 24, 13, 31
Answer: 20.2