Investment Portfolio (Practice with Exponential Functions)

My students enjoyed this resource because it looked at multiple different ways to invest and they had to think a little bit outside the box. The second task was also one of the first times any of them had seen decay as a word problem (losing money in the stock market) so we had to stop and think about what needed to change in the formula we had been using for growth. The third task made the students think more because they had to figure out how much he earned and take some of that away as the fee (they wanted the quickest way to solve the problem and there is no one step boom done version). Some of the students had trouble understanding for the fourth task that Miles was acting as the bank so he was earning interest on his money even though it wasn't actively in his possession, but when given a classmate example they understood a little better.

Thank you so much for the free resource. I made a few tweeks to it and will use it as one of the assessments I am giving for my Financial algebra class.