Simple Interest

What is the formula for simple interest?

• A=P(1+r)^t
• I=Prt
• I=P(1+r)t
• A=Prt

What does the P in I =PRT mean?

• Power

• Principal

• Product

• Percent

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

Write the decimal as a percent. 
0.37

• 37%
• 3.7%
• .37%

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

9 months is how many years?

• .5
• .75
• .25

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

Find the simple interest earned for principal of $2,000 at and 8% rate for 5 years.

• $160

• $800

• $80,000

• $16

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

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

• divide 12 by the months
• divide the months by 12
• multiply 12 times the months
• change the months to a decimal

Tags

CCSS.7.RP.A.3