Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 36
Answer: 72 + 36 = 108 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 4, 9, 20, 18
Answer: 12.75