Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄5
Answer: 4⁄5 -
2. Algebra
Factorise: 30x + 35
Answer: 5(6x + 7) -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics
Find the mean of: 18, 3, 7
Answer: 9.3333333333333