Keystones — Bedrock
Five GCSE retrieval questions · 16 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 11
Answer: 10 + 11 = 21 -
2. Algebra Substitution
If x = 2, find the value of 2x + 5
Answer: 9 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 18, 6, 15
Answer: 13