Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 64
Answer: 75 + 64 = 139 -
2. Algebra Substitution
If x = 10, find the value of 7x + 4
Answer: 74 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 11, 15, 18
Answer: 14.666666666667