Keystones — Bedrock
Five GCSE retrieval questions · 9 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 30
Answer: 31 + 30 = 61 -
2. Algebra Substitution
If x = 2, find the value of 7x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 8, 12, 14, 4
Answer: 8.8