Keystones — Bedrock
Five GCSE retrieval questions · 12 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 32
Answer: 40 + 32 = 72 -
2. Algebra Substitution
If x = 5, find the value of 8x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 19, 19, 13, 5
Answer: 14