Keystones — Bedrock
Five GCSE retrieval questions · 24 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 25
Answer: 33 + 25 = 58 -
2. Algebra Substitution
If x = 9, find the value of 4x + 12
Answer: 48 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 13, 14, 6, 8, 10
Answer: 10.2