Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 7 + 6
Answer: 13 -
2. Algebra
Factorise: 42x + 30
Answer: 6(7x + 5) -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics
Find the mean of: 15, 19, 17, 7, 17
Answer: 15