Simple Interest Basics
Compound Interest Concepts
Formulas and Vocabs
Word Problems
Challenge Round
100

The formula for calculating Simple Interest

What is I = P x R x T

100

The definition of compound interest

What is earning interest on both principle and the previous earned interest?

100

The T stand for in simple interest formula

What is “Time”?

100

You invest $400 at 5% for 2 years, what is the simple interest rate?

What is $40?

100

Which grows faster: Simple or Compound?

What is Compound?

200

The ”P” stand for in the simple interest formula.

What is Principle 


200

The formula for Compound Interest

What is A = P(1+r)^t

200

Define Principal

What is the total amount of money deposited or invested?

200

You invest $500 at 4% compound interest for 2 years, what is the final amount?

What is $540.80?

200

You double your money in 10 years, what is your annual interest rate (simple)?

What is 10%?

300

If you deposit $1000 at a 5% interest for 2 years, how much interest you earn?

What is $100

300

How often is interest compound annually?

What is once per year?

300

In compound interest, what does n stand for?

What is the number of times interest is compounded per year?

300

 A loan earns $120 in interest over 3 years at 8%. What was the principal?

What is $500?

300

Find the compound amount for $800 at 10% compounded yearly for 3 years

What is $1,064?

400

You earn $75 interest after 3 years at a 5% rate, what was the principle?

What is $500

400

If you invest $1000 at 10% compound annually for 2 years, what is the total amount?

What is $1,210?

400

The difference between rate and time?

What is rate = the percentage of interest and time = the duration of money is invested or borrowed?

400

What is the total value after 3 years of $1,000 at 6% compounded annually?

What is 1,191.02?

400

You earned $144 interest after compound interest. The principal was $1,200 at 6% annually. How long was it invested?

What is 2 years?

500

If you want to earn $200 in interest in 4 years at a 2.5% what principle should you invest?

What is $2000

500

How much interest is earned if $500 grows to $605 in 2 years compound annually?

What is $105?

500

The full meaning of A = P(1+r/n)^t

What is A= total amount, P=Principal, r =rate, n=times per year, T = time in years

500

How long will it take to earn $300 in simple interest with $1,500 at 4%?

What is 5 years?

500

A loan with $1,000 principal compounded quarterly at 8% grows for 2 years. Find A

What is $1,169.86