Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 28
Answer: 32 + 28 = 60 -
2. Algebra Substitution
If x = 4, find the value of 7x + 10
Answer: 38 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 17, 13, 19
Answer: 16.333333333333