Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 67
Answer: 92 + 67 = 159 -
2. Algebra Substitution
If x = 9, find the value of 6x + 12
Answer: 66 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 17, 8, 2
Answer: 9