Simple Interest

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What is Simple Interest?

Back

Simple Interest is a method of calculating the interest charge on a loan or the interest earned on an investment based on the original principal amount, the interest rate, and the time period.

Tags

CCSS.7.RP.A.3

Front

What is the formula for calculating Simple Interest?

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The formula for Simple Interest is I = P * r * t, where I is the 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

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What does 'P' stand for in the Simple Interest formula?

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'P' stands for Principal, which is the initial amount of money invested or borrowed.

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CCSS.8.EE.C.7B

Front

What does 'r' represent in the Simple Interest formula?

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'r' represents the rate of interest, expressed as a decimal or percentage.

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What does 't' represent in the Simple Interest formula?

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't' represents the time the money is invested or borrowed, usually measured in years.

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CCSS.6.EE.B.7

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If you invest $2000 at a simple interest rate of 5% for 3 years, how much interest will you earn?

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You will earn $300 in interest.

Tags

CCSS.7.RP.A.3

Front

How do you convert time from months to years in the Simple Interest formula?

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To convert time from months to years, divide the number of months by 12.

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CCSS.8.EE.C.7B

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If you have earned $400 in interest on a principal of $2000 at a rate of 5%, how long did the investment last?

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The investment lasted for 4 years.

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CCSS.6.EE.B.7

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What is the total balance after earning simple interest?

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The total balance is calculated as Total Balance = Principal + Interest.

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CCSS.7.RP.A.3

Front

If the principal is $1500, the rate is 8.25%, and the time is 18 years, what is the total balance?

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The total balance is $3727.50.

Tags

CCSS.7.RP.A.3