Keystones — Cornerstone
Five GCSE retrieval questions · 16 January 2026 · mathsvault.uk/keystones
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1. Number
Find the total of 260, 300, and 110
Answer: 670 -
2. Algebra
Simplify: 3x + 9x
Answer: 12x -
3. Geometry
Calculate the area of a circle with diameter 18cm
Answer: 254.47cm² -
4. Ratio
Calculate 50% of 33
Answer: 16.5 -
5. Statistics
Calculate the range of: 68, 110, 73, 44, 120, 88
Answer: 76