Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 75
Answer: 53 + 75 = 128 -
2. Algebra Substitution
If x = 6, find the value of 2x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 4, 6, 16, 7, 12
Answer: 9