Simple Interest, Percent/Decimal Conversions, Tax/Tip/Discount

What is the formula for simple interest?

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

Tags

CCSS.8.EE.C.7B

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

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

Stefan borrowed $8,950 for an engagement ring. At a 6.85% simple interest rate, how much total will he have paid after 6 years?

• $ 3,378.45

• $ 37,784.50

• $ 12,504.25

• $ 12,595.80

• $ 12, 628.45

Tags

CCSS.7.RP.A.3

Sales tax is __________ to the price

• subtracted
• added
• multiplied
• divided

Tags

CCSS.6.RP.A.3B

Discount is ____________ from the price.

• added

• divided

• subtracted

• multiplied

Tags

CCSS.6.RP.A.3C

How much tax would you pay on a new TV that is $899 at Best Buy, if the tax rate is 6.5%?

• $957.43

• $841

• $58.43

• $584.35

Tags

CCSS.6.RP.A.3C