Keystones — Bedrock
Five GCSE retrieval questions · 7 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 23
Answer: 32 + 23 = 55 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 19, 4, 4, 5, 2
Answer: 6.8