Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 49
Answer: 34 + 49 = 83 -
2. Algebra Substitution
If x = 9, find the value of 2x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 17, 6, 5
Answer: 7.5