Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 41 + 79
Answer: 41 + 79 = 120 -
2. Algebra
Factorise: 10x + 15
Answer: 5(2x + 3) -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics
Find the mean of: 2, 12, 12, 13, 6
Answer: 9