Math Lesson View

Lesson Purpose

The purpose of this lesson is not only to identify the part of the percent proportion method correctly, but become a better decision maker when it comes to getting the best value for your money. Students will also be able to calculate taxes, tips, discounts, and simple interest.
 

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Lesson Objectives

At the end of this lesson, students will be able to determine the unknown variable for any percent problem and calculate simple interest.

Student Target

“I can solve percent problems where they are asking me to find the part (IS), find the whole (OF), or find the percent (%) including taxes, tips, discounts and simple interest.”

CCR Focus Standards

Number and Ratios - Level D

• 7.RP.3

  Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error. (Also see 7.G.1 and G.MG.2)

Algebra and Functions - Level D

Supporting Standards

• 5.NBT.4

  Use place value understanding to round decimals to any place.
  

• 6.RP.3c

  Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.
  

Standards for Mathematical Practice

• MP.4

  Model with mathematics. (MP.4)

• MP.6

  Attend to precision. (MP.6)

KYAE Employability Standards