Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 41
Answer: 40 + 41 = 81 -
2. Algebra Substitution
If x = 2, find the value of 2x + 11
Answer: 15 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 5, 6, 13
Answer: 8