Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 38
Answer: 29 + 38 = 67 -
2. Algebra Substitution
If x = 9, find the value of 6x + 8
Answer: 62 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 12, 19, 5
Answer: 12