MathScore Practice: Compound Interest

Description: Calculate compound interest given a balance, rate, and time.

Adaptive Learning Progression: Numbers get bigger.

Sample Levels (out of 3)

Answer the following questions involving compound interest. Input all answers to the nearest dollar

1.	Interest Rate: 8% annually Starting Balance: $120 Time Passed: 14 years How much interest has accrued if calculated as compound interest? What is the new total balance? Interest: Total balance:
2.	Interest Rate: 9% monthly Starting Balance: $179 Time Passed: 11 months How much interest has accrued if calculated as compound interest? What is the new total balance? Interest: Total balance:
3.	Interest Rate: 10% monthly Starting Balance: $145 Time Passed: 2 months How much interest has accrued if calculated as compound interest? What is the new total balance? Interest: Total balance:

Answer the following questions involving compound interest. Input all answers to the nearest dollar

1.	Interest Rate: 3% weekly Starting Balance: $996 Time Passed: 14 weeks How much interest has accrued if calculated as compound interest? What is the new total balance? Interest: Total balance:
2.	Interest Rate: 7% annually Starting Balance: $307 Time Passed: 13 years How much interest has accrued if calculated as compound interest? What is the new total balance? Interest: Total balance:
3.	Interest Rate: 9% monthly Starting Balance: $660 Time Passed: 14 months How much interest has accrued if calculated as compound interest? What is the new total balance? Interest: Total balance: