Keystones — Lintel
Five GCSE retrieval questions · 4 February 2025 · mathsvault.uk/keystones
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1. Number
Add: 1⁄3 + 1⁄4
Answer: 7⁄12 -
2. Algebra
Solve: 4x + 4 = 3x - 2
Answer: x = 6 -
3. Geometry
A circle has area 254.5cm². Find its radius (dp)
Answer: 9cm -
4. Ratio
Find 75% of 302
Answer: 226.5 -
5. Statistics
Find the range of: -6, 41, -19, 41, -28
Answer: 69