Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 45 + 12
Answer: 45 + 12 = 57 -
2. Algebra
Factorise: 12x + 20
Answer: 4(3x + 5) -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Calculate 25% of 102
Answer: 25.5 -
5. Statistics
Find the mean of: 19, 13, 7, 5
Answer: 11