Keystones — Bedrock
Five GCSE retrieval questions · 25 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 93
Answer: 25 + 93 = 118 -
2. Algebra Substitution
If x = 8, find the value of 7x + 12
Answer: 68 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 11, 16, 15, 14
Answer: 14