Keystones — Lintel
Five GCSE retrieval questions · 26 March 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Solve: 8x = 64
Answer: x = 8 -
3. Geometry
A circle has area 78.5cm². Find its radius (dp)
Answer: 5cm -
4. Ratio
Calculate 27% of 504
Answer: 136.08 -
5. Statistics
Find the range of: -12, 19, 22, -12, -1
Answer: 34