Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 29
Answer: 10 + 29 = 39 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 5, 7, 6
Answer: 6