Keystones — Bedrock
Five GCSE retrieval questions · 15 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 51
Answer: 51 + 51 = 102 -
2. Algebra Substitution
If x = 8, find the value of 3x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 19, 19, 15, 19
Answer: 18