Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 17
Answer: 18 + 17 = 35 -
2. Algebra Substitution
If x = 10, find the value of 5x + 7
Answer: 57 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 17, 19
Answer: 17