Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 75
Answer: 64 + 75 = 139 -
2. Algebra Substitution
If x = 6, find the value of 7x + 5
Answer: 47 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 8, 2, 19, 17, 18
Answer: 12.8