Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 57
Answer: 84 + 57 = 141 -
2. Algebra Substitution
If x = 10, find the value of 5x + 8
Answer: 58 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 8, 7, 12, 3, 4
Answer: 6.8