Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 3⁄5
Answer: 4⁄5 -
2. Algebra
Find the next term: 6, 12, 18, 24, ...
Answer: 30 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics
Find the mean of: 3, 12, 17, 7
Answer: 9.75