Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 46 + 24
Answer: 46 + 24 = 70 -
2. Algebra
Factorise: 48x + 42
Answer: 6(8x + 7) -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics
Find the mean of: 3, 10, 13, 19, 6
Answer: 10.2