Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 35
Answer: 41 + 35 = 76 -
2. Algebra Substitution
If x = 5, find the value of 6x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 7, 13, 18, 9
Answer: 11.75