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# Percent Change - More Practice

Lesson 17 of 21

## Objective: Students will be able to solve percent change problems.

## Big Idea: Students get the chance to work on fluency with percent change using versatiles, which provide immediate feedback.

*60 minutes*

#### Launch

*10 min*

**Opener: **As students enter the room, they will immediately pick up and begin working on the opener –Instructional Strategy - Process for openers. This method of working and going over the opener lends itself to allow students to construct viable arguments and critique the reasoning of others, which is **mathematical practice 3**.

**Learning Target: **After completion of the opener, I will address the day’s learning targets to the students. For today’s lesson, the intended target is, “I can solve percent change problems.” Students will jot the learning target down in their agendas (our version of a student planner, there is a place to write the learning target for every day).

**Thoughts from Me! **This concept lends itself to the use of **mathematical practices 2 and 4**, as most problems can be modeled using real world examples, and given those examples students have to reason both quantitatively and abstractly. Additionally, students are working with a decimal point - which can change the value of a number drastically if placed incorrectly, so it is important that students pay close attention to precision when working (**mathematical practice 6**).

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#### Summary + Homework

*5 min*

Instructional Strategy - Table Discussion**: **To summarize this lesson, I am going to ask that students have a table discussion considering the question – how can you tell if a question is asking for percent change if they don’t come right out and say it? For this question, I want students to discuss with one another how they know – what they look for in a problem. Students are valuable teachers to their peers, and I want to give them an opportunity to share what works for them. After students talk in small group, I will have one student from each group summarize their discussion for the benefit of the whole group.

Homework: After the table discussion, I will pass out the homework assignment so that students may get started!

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*Where do you get versatiles and do you create the pictures that go along with them? | one month ago | Reply*

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###### The Defining Pi Project, Day 1

*Favorites(4)*

*Resources(31)*

Environment: Urban

- UNIT 1: Introduction to Mathematical Practices
- UNIT 2: Proportional Reasoning
- UNIT 3: Percents
- UNIT 4: Operations with Rational Numbers
- UNIT 5: Expressions
- UNIT 6: Equations
- UNIT 7: Geometric Figures
- UNIT 8: Geometric Measurement
- UNIT 9: Probability
- UNIT 10: Statistics
- UNIT 11: Culminating Unit: End of Grade Review

- LESSON 1: Percent Models - A Visual Approach to Percents
- LESSON 2: Markdown Percent Models - What Percent Are You Paying?
- LESSON 3: Markup Percent Models - Percents Over 100?
- LESSON 4: Percent Models Review - Practice, Practice!!
- LESSON 5: Percent Models Test
- LESSON 6: Finding Percents
- LESSON 7: Finding Percents Fluency - It's a Chain Reaction!
- LESSON 8: Multiple Percents - What happens when you have a discount and tax?
- LESSON 9: Markup and Markdown Review - Are you paying more or less?
- LESSON 10: Markup, Markdown, or Just a Percent? TEST
- LESSON 11: Working Backwards with Percents - What happens when a problem is not straightforward?
- LESSON 12: Working Backward with Percent: Practice Makes Perfect!
- LESSON 13: Performing with Percents - Can you bust some common misconceptions?
- LESSON 14: More Practice with Percents - Practice Makes Perfect!
- LESSON 15: Working Backward and Forward...TEST!
- LESSON 16: Percent Change - By What Percent Did the Value Change?
- LESSON 17: Percent Change - More Practice
- LESSON 18: Simple Interest - Understand Your Money!
- LESSON 19: All Percents Review
- LESSON 20: All Percents Test
- LESSON 21: Proportional Reasoning and Percent - Can you apply the concepts? (3 Day Lesson)