Keystones — Lintel
Five GCSE retrieval questions · 3 June 2026 · mathsvault.uk/keystones
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1. Number
Find the total of 127, 161, and 58
Answer: 346 -
2. Algebra
What is the next term? 7, 21, 63, 189, ...
Answer: 567 -
3. Geometry
A circle has area 254.5cm². Find its radius (dp)
Answer: 9cm -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 44, 44, 14, 27, 17, 27, 39
Answer: 30.3