Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 61
Answer: 70 + 61 = 131 -
2. Algebra Substitution
If x = 3, find the value of 3x + 7
Answer: 16 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 7, 15, 17, 5, 4
Answer: 9.6