Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 47
Answer: 34 + 47 = 81 -
2. Algebra Substitution
If x = 7, find the value of 7x + 6
Answer: 55 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 15, 15, 11, 5
Answer: 11.5