Last week, Gustavo got his bank statement in the mail. He was surprised to see a graph that showed that, although his balance was growing at a steady rate, the bank predicted that in five years his account balance would be only. “What is going on?” he wondered. “Why isn’t my money growing the way I thought it would?”

With your team, discuss how much Gustavo’s account appears to be growing every year. Why might his account be growing in a different way than he expected? Be ready to share your ideas.