Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2023 · mathsvault.uk/keystones
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1. Number
Simplify: 63 × 65
Answer: 68 -
2. Algebra
Simplify: 3x + 5x
Answer: 8x -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics
Find the mean of: 19, 11, 15, 18, 3
Answer: 13.2