Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 90 + 89
Answer: 90 + 89 = 179 -
2. Algebra
Find the next term: 25, 35, 45, 55, ...
Answer: 65 -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics
Find the mean of: 15, 14, 13, 14
Answer: 14