Simple Interest Practice

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

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

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

Tags

CCSS.8.EE.C.7B

What does the "I" in the interest formula stand for?

• Principal
• Interest
• Rate
• Time

Tags

CCSS.7.RP.A.3

What does the "r" in the interest formula stand for?

• Principal
• Interest
• rate
• time

True of False:  Before you can calculate INTEREST your time must be in MONTHS!

• FALSE
• TRUE

Tags

CCSS.7.RP.A.3

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

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

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that?

• $120
• $144
• $1,200
• $1,440

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%