Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 38 + 64
Answer: 38 + 64 = 102 -
2. Algebra
Find the next term: 17, 21, 25, 29, ...
Answer: 33 -
3. Geometry
Find the area of a right triangle with base 5cm and height 12cm
Answer: 30cm² -
4. Ratio
Calculate 10% of 179
Answer: 17.9 -
5. Statistics
Find the range of: 24, 21, 9, 20, 9
Answer: 15