Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: -5 + (-2)
Answer: -7 -
2. Algebra
Find the next term: 8, 12, 16, 20, ...
Answer: 24 -
3. Geometry
Find the area of a right triangle with base 5cm and height 8cm
Answer: 20cm² -
4. Ratio
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics
Find the mean of: 17, 7, 8
Answer: 10.666666666667