Keystones — Lintel
Five GCSE retrieval questions · 13 April 2025 · mathsvault.uk/keystones
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1. Number
What is the missing number: 97 + ? = 167
Answer: 70 -
2. Algebra
Factorise: 7x² + 7x
Answer: 7x(x + 1) -
3. Geometry
Find the distance between (-3, -7) and (10, 12)
Answer: 23.02 -
4. Ratio
Calculate 35.1% of 285
Answer: 100.04 -
5. Statistics
Find the range of: -20, -25, 26, 32, 11
Answer: 57