Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 47
Answer: 49 + 47 = 96 -
2. Algebra Substitution
If x = 7, find the value of 4x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 6, 19
Answer: 9.3333333333333