Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 23
Answer: 46 + 23 = 69 -
2. Algebra Substitution
If x = 4, find the value of 6x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 18, 19, 8, 6, 11
Answer: 12.4