Factor and Percentage Change Questions
How much more massive is a 2mm raindrop than a 0.1mm mist droplet?
Your more naturally mathematical thinkers will probably be able to cope with this sort of question without much specific training, but not everyone is blessed with the same level of insight. Here are some practice questions and a worked example of how the logic should go:
[by the way, the answer is 203 = 8000 times more massive]