Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 84
Answer: 35 + 84 = 119 -
2. Algebra Substitution
If x = 4, find the value of 4x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 17, 16, 17, 15
Answer: 16.25