Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 91
Answer: 85 + 91 = 176 -
2. Algebra Substitution
If x = 6, find the value of 4x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 10, 2, 17, 2
Answer: 7.75