Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 73
Answer: 64 + 73 = 137 -
2. Algebra Substitution
If x = 2, find the value of 4x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 4, 10, 12, 4, 8
Answer: 7.6