Compound Interest Calculations

Compound Interest Calculations

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to calculate compound interest using a practical example. Franco's $3,000 debt accrues compound interest at a 7% annual rate, compounded monthly. The tutorial breaks down the formula, explains each component, and demonstrates how to apply it to find the total amount owed after three years. The process involves converting percentages to decimals, determining the compounding frequency, and performing calculations to simplify and solve the equation, resulting in a final amount of $3,698.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the principal amount in Franco's compound interest problem?

$3,000

$5,000

$4,000

$2,000

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How often is the interest compounded in Franco's debt scenario?

Annually

Quarterly

Monthly

Daily

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decimal form of the annual interest rate used in the formula?

0.07

0.007

0.7

7.0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the formula, what does the variable 'n' represent?

The total time in years

The number of times interest is compounded per year

The annual interest rate

The principal amount

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the exponent used in the compound interest formula for Franco's debt?

12

36

48

24

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified value of 1 plus the monthly interest rate in the formula?

1.0583

1.0007

1.007

1.00583

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After raising the base to the power, what is the next step in the calculation?

Add the interest rate

Multiply by the principal

Divide by the number of months

Subtract the principal

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final amount Franco owes after 3 years?

$4,000

$3,800

$3,698

$3,500