Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 51
Answer: 83 + 51 = 134 -
2. Algebra Substitution
If x = 2, find the value of 7x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 2, 20, 3
Answer: 8.3333333333333