Course 2, Lesson 2-6 Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or.

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Presentation transcript:

Course 2, Lesson 2-6 Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease feet to 80 feet prints to 200 prints 3. $21.50 to $ donors to 143 donors 5. Natalie’s kitten weighed 2.7 pounds when she bought it. Now it weighs 4.2 pounds. 6. The first movie released by a film company this year made $20.4 million at the box office and the second movie made $13.2 million. What was the percent of change in the film company’s revenues?

Course 2, Lesson 2-6 ANSWERS 1. 60%; increase 2. 45%; increase 3. 24%; decrease %; increase 5. 56%; increase 6. 35% decrease

HOW can percent help you understand situations involving money? Ratios and Proportional Relationships Course 2, Lesson 2-6

Ratios and Proportional Relationships Course 2, Lesson 2-6 Common Core State Standards © Copyright National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. 7.RP.3 Use proportional relationships to solve multistep ratio and percent problems. 7.EE.2 Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how quantities are related. 7.EE.3 Solve multistep real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies.

Ratios and Proportional Relationships Course 2, Lesson 2-6 Common Core State Standards © Copyright National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Mathematical Practices 1Make sense of problems and persevere in solving them. 3Construct viable arguments and critique the reasoning of others. 4Model with mathematics.

To find sales tax and the total cost of an item To find tips and markups Ratios and Proportional Relationships Course 2, Lesson 2-6

Ratios and Proportional Relationships Course 2, Lesson 2-6 sales tax tip gratuity markup selling price

Ratios and Proportional Relationships Course 2, Lesson 2-6

Ratios and Proportional Relationships Course 2, Lesson 2-6 Sales Tax and Total Cost

Ratios and Proportional Relationships Course 2, Lesson 2-6

Ratios and Proportional Relationships Course 2, Lesson 2-6 Sales Tax and Total Cost

Ratios and Proportional Relationships Course 2, Lesson 2-6

Ratios and Proportional Relationships Course 2, Lesson 2-6 Tips and Markups

Ratios and Proportional Relationships Course 2, Lesson 2-6 Sales Tax and Total Cost

Ratios and Proportional Relationships Course 2, Lesson 2-6 Sales Tax and Total Cost

Ratios and Proportional Relationships Course 2, Lesson 2-6 Tips and Mark-ups

Ratios and Proportional Relationships Course 2, Lesson 2-6 Tips and Mark-ups

How did what you learned today help you answer the HOW can percent help you understand situations involving money? Course 2, Lesson 2-6 Ratios and Proportional Relationships

How did what you learned today help you answer the HOW can percent help you understand situations involving money? Course 2, Lesson 2-6 Ratios and Proportional Relationships Sample answers: You can find the total cost of an item including things such as sales tax, tips, and markup.

A music CD costs $18. What is the total cost of the CD if there is a 6.25% sales tax? Ratios and Proportional Relationships Course 2, Lesson 2-6