Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 99
Answer: 55 + 99 = 154 -
2. Algebra Substitution
If x = 10, find the value of 2x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 9, 4, 16
Answer: 9.6666666666667