Keystones — Bedrock
Five GCSE retrieval questions · 6 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 25 ÷ 5
Answer: 25 ÷ 5 = 5 -
2. Algebra
Simplify: 8x + 2x
Answer: 10x -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics
Find the mean of: 4, 7, 10, 13
Answer: 8.5