Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 13
Answer: 43 + 13 = 56 -
2. Algebra Substitution
If x = 9, find the value of 8x + 5
Answer: 77 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 12, 5, 9, 14
Answer: 10