Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 1⁄6
Answer: 1⁄2 -
2. Algebra
Find the next term: 30, 39, 48, 57, ...
Answer: 66 -
3. Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics
Find the mean of: 9, 15, 17
Answer: 13.666666666667