Curated OER
How Credit Card Interest Works
Students experiment with an Excel spreadsheet model that demonstrates the effects of interest on payments. They calculate actual costs, interest paid, and time necessary to pay off credit purchases and draw conclusions about the...
Curated OER
Buying on Credit
Explore using credit in this financial responsibility and math lesson. Learn to identify the acronym of "PRT" as Principle x Rate x Time, then calculate interest based on this formula. Do some real-world problem solving and choose...