Simple Interest

The rate is given as a percent (%).  Before using it in the simple interest formula, you must first convert it to a______.

• fraction
• decimal
• ratio
• dollar amount

Write the percent as a decimal. 
5%

• 5
• .5
• .05
• 500

Tina invested $2,000 in a simple interest account and earned 8% rate for 5 years. What is the interest that she earned on the account?

• $160

• $800

• $80,000

• $16

Tags

CCSS.7.RP.A.3

Emilio borrows $1200 from a bank with 8.5% simple interest per year. How much will he have to pay back total in 2 years?

• $204

• $996

• $1,020

• $1,404

Tags

CCSS.7.RP.A.3

The simple interest formula is I=Prt.  The P represents the principal.  The principal is ___________________.  

• the amount of money borrowed or deposited

• the percent interest for his year

• the amount taxed

• the amount the bank owes you for being a customer at their bank

Tags

CCSS.7.RP.A.3

If you are calculating the simple interest and you are given the time in months, how can you find the time in years?

• Add 12 to the months

• write the months as a fraction with 12 as the denominator

• multiply 12 times the months

• write the months as a fraction with 12 as the numerator

Tags

CCSS.7.RP.A.3

Convert 18 months to years. 

• 18 Years

• 1.5 Years

• .18 Years

• You cannot change it to years.

Tags

CCSS.4.MD.A.1

Principal = $500
Interest rate =5%
Time = 5 years
What is the interest earned?

• 95

• 105

• 125

• 135

Tags

CCSS.7.RP.A.3

Jenna borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What rate of interest did she pay?

• 6%

• 6%

• 8%

• 9%

Tags

CCSS.7.RP.A.3

Ivan deposits $5,000 into an account that pays simple interest at a rate of 5% per year. How much interest will he be paid in the first 3 years?

What is the principle? ​ (a)  

What is the rate? ​ (b)  

What is the time? ​ (c)  

• $5,000
• 5%
• 3 years

Tags

CCSS.7.RP.A.3