Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 5⁄11 + 2⁄11
Answer: 7⁄11 -
2. Algebra
Simplify: 9x + 2x
Answer: 11x -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
In ratio 7:6, the difference between shares is 17. What are the shares?
Answer: 119 and 102 -
5. Statistics
Find the mean of: 5, 4, 13, 16, 13
Answer: 10.2