Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 61
Answer: 56 + 61 = 117 -
2. Algebra Substitution
If x = 10, find the value of 3x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 3, 20, 15, 5, 10
Answer: 10.6