Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 67
Answer: 61 + 67 = 128 -
2. Algebra Substitution
If x = 7, find the value of 6x + 10
Answer: 52 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 6, 10, 15, 3, 14
Answer: 9.6