Simple Interest

Front

What is Simple Interest?

Back

Simple Interest is the interest calculated on the principal amount only, without compounding. It is given by the formula: SI = P * r * t, where SI is the simple interest, P is the principal amount, r is the rate of interest per year, and t is the time in years.

Tags

CCSS.7.RP.A.3

Front

What is the formula for calculating Simple Interest?

Back

The formula for calculating Simple Interest is: SI = P * r * t, where SI is the simple interest, P is the principal amount, r is the rate of interest (in decimal), and t is the time (in years).

Tags

CCSS.7.RP.A.3

Front

If you invest $1,000 at a 5% simple interest rate for 3 years, how much interest will you earn?

Back

The interest earned will be: SI = 1000 * 0.05 * 3 = $150.

Tags

CCSS.7.RP.A.3

Front

What is the principal amount in a simple interest calculation?

Back

The principal amount is the initial sum of money that is invested or borrowed before interest is applied.

Tags

CCSS.7.RP.A.3

Front

How do you convert a percentage to a decimal for calculations?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 8% becomes 0.08.

Front

What is the total amount to be paid back if you borrow $1,200 at 8% simple interest for 2 years?

Back

Total amount = Principal + Simple Interest = 1200 + (1200 * 0.08 * 2) = $1,392.

Tags

CCSS.7.RP.A.3

Front

Calculate the simple interest on a loan of $750 at an 18% interest rate over 2 years.

Back

SI = 750 * 0.18 * 2 = $270.

Tags

CCSS.7.RP.A.3

Front

What is the total amount owed after borrowing $2,000 at 8% interest for 1 year?

Back

Total amount = Principal + Simple Interest = 2000 + (2000 * 0.08 * 1) = $2,160.

Tags

CCSS.7.RP.A.3

Front

If you have a principal of $350 and an interest rate of 2.5% for 3 years, what is the simple interest?

Back

SI = 350 * 0.025 * 3 = $26.25.

Tags

CCSS.7.RP.A.3

Front

What does 'time' refer to in the context of simple interest?

Back

In simple interest, 'time' refers to the duration for which the money is borrowed or invested, usually measured in years.

Tags

CCSS.7.RP.A.3