Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 86
Answer: 47 + 86 = 133 -
2. Algebra Substitution
If x = 5, find the value of 4x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 18, 3, 13, 8
Answer: 10.5