Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 97
Answer: 31 + 97 = 128 -
2. Algebra Substitution
If x = 6, find the value of 2x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 9, 3, 6, 6
Answer: 7