Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 7.2 + 8.1
Answer: 7.2 + 8.1 = 15.3 -
2. Algebra
Simplify: 8x + 5x
Answer: 13x -
3. Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics
Find the mean of: 13, 7, 3, 8, 18
Answer: 9.8