Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 39
Answer: 37 + 39 = 76 -
2. Algebra Substitution
If x = 4, find the value of 8x + 8
Answer: 40 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 9, 15, 13, 14
Answer: 12.75