Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 32
Answer: 39 + 32 = 71 -
2. Algebra Substitution
If x = 9, find the value of 6x + 5
Answer: 59 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 19, 12
Answer: 12.333333333333