Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 88
Answer: 43 + 88 = 131 -
2. Algebra Substitution
If x = 9, find the value of 7x + 8
Answer: 71 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 4, 17, 9, 12, 16
Answer: 11.6