Keystones — Lintel
Five GCSE retrieval questions · 18 March 2025 · mathsvault.uk/keystones
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1. Number
What is ∛8?
Answer: 2 -
2. Algebra
Factorise fully: 25x² + 30x
Answer: 5x(5x + 6) -
3. Geometry
Calculate the distance between (10, 4) and (13, 8)
Answer: 5 -
4. Ratio
Find 23% of 488
Answer: 112.24 -
5. Statistics
Find the range of: -14, -14, 33, 33, 3
Answer: 47