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

Tags

CCSS.7.RP.A.3

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

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

Tags

CCSS.7.RP.A.3

Julie borrowed $3,500 for 3 years at 7½% simple interest rate. 
How much interest is that?

• Julie borrowed $3,500 for 3 years at 7½% simple interest rate. 
  How much interest is that?
• $787.50
• $810
• $812.50

Tags

CCSS.7.RP.A.3

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

• $800
• $1,000
• $1,200
• $1,500

Tags

CCSS.7.RP.A.3

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4
• 8
• 12
• 16

Tags

CCSS.6.RP.A.3C

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
• divide the months by 12
• multiply 12 times the months
• You cannot change it to months.

Tags

CCSS.7.RP.A.3

The simple interest formula is I=Prt.  What does the t represent?

• Principle
• Interest
• Time, in hours
• Time, in years

Tags

CCSS.7.RP.A.3

Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

• $150
• $192
• $1350
• $1392

Tags

CCSS.7.RP.A.3

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% in simple interest. What will be his balance after 15 years?

• $270.75
• $745.75
• $2,707.50
• $846.80

Tags

CCSS.7.RP.A.3