Keystones — Bedrock
Five GCSE retrieval questions · 9 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 49
Answer: 49 + 49 = 98 -
2. Algebra Substitution
If x = 3, find the value of 3x + 11
Answer: 20 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 11, 6
Answer: 8.6666666666667