Keystones — Bedrock
Five GCSE retrieval questions · 24 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 47
Answer: 95 + 47 = 142 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 10, 8, 10
Answer: 9.3333333333333