Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 19
Answer: 21 + 19 = 40 -
2. Algebra Substitution
If x = 2, find the value of 3x + 8
Answer: 14 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 11, 6, 7
Answer: 8