Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2024 · mathsvault.uk/keystones
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1. Number
Round 180 to the nearest 10
Answer: 180 -
2. Algebra
Factorise: 10x + 15
Answer: 5(2x + 3) -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics
Find the mean of: 14, 18, 5
Answer: 12.333333333333