Keystones — Cornerstone
Five GCSE retrieval questions · 13 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 783 + 615
Answer: 783 + 615 = 1398 -
2. Algebra
Find the next term: 6, 14, 22, 30, ...
Answer: 38 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics
Calculate the mean of: 27, 47, 46, 8, 11, 5, 9
Answer: 21.9