Keystones — Lintel
Five GCSE retrieval questions · 20 February 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 227, 208, and 73
Answer: 508 -
2. Algebra
Factorise fully: 24x² + 16x
Answer: 4x(6x + 4) -
3. Geometry
Calculate the distance between (7, 1) and (10, 5)
Answer: 5 -
4. Ratio
Calculate 18.8% of 778
Answer: 146.26 -
5. Statistics
Find the range of: 25, -29, -29, -17, 30
Answer: 59