Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 66
Answer: 73 + 66 = 139 -
2. Algebra Substitution
If x = 8, find the value of 4x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 11, 4, 20
Answer: 11.666666666667