Quiz #1: Simple Interest

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

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

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

• Principle
• Interest
• Time
• Percent Rate

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

Tags

CCSS.7.RP.A.3

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

Convert 18 months to years. 

• 18 Years
• 1.5 Years
• .18 Years
• You cannot change it to years.

Tags

CCSS.4.MD.A.1

What is 7.25% converted to a decimal?

• .725
• 0.725
• 0.0725
• 7.25

What is important about how time is calculated in I= Prt ?

• It must be in months.
• It must be in years.
• It is not calculated.

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