This activity provides students with the opportunity to reinforce the power of compounding interest using a realistic principal amount and annual percentage rate (APR). Line # 6, Principal 660, APR 5%.

Reflection 1: What would be another wrar to calculate total interest rather than just adding up the individual interest amounts? Reflection 2: What percentage of the balance (end of Quarter \$35) is the interest and what percentage is the principal? Do these percentages change if you modify the principal or APR? How? Reflection 3: What are some of the pros and cons to each of the three methods vou have used? Reflection 4; Which of the three methodis is your fovorite way te ca culbte the balanse and why? Reflection 4: Which of the three methodis is your favorite way to calculate the balance and why