Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 53
Answer: 50 + 53 = 103 -
2. Algebra Substitution
If x = 10, find the value of 4x + 8
Answer: 48 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 19, 7, 8, 5, 3
Answer: 8.4