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Which subject	Mathematics
What topic	Eureka Math 8th book 1 lesson 5
What length (min)	50
What age group	Year or Grade 8
Class size	13
What curriculum	negative exponents
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Ask some students to presents their homework
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Number of slides	5
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Lesson plan

Topic

Eureka Math 8th Grade, Book 1, Lesson 5: Negative Exponents

Objectives

• Understand the concept of negative exponents.
• Apply the rules of negative exponents to simplify expressions.
• Solve real-world problems involving negative exponents.

Grade/Age Group

Grade 8

Subject

Mathematics

Materials

• Textbook: Eureka Math, Book 1
• Whiteboard and markers
• Graphing calculators (1 per student)
• Worksheets for practice problems
• Homework assignment handout
• Projector for presentations (if needed)

Class Size

13 students

Standards

This lesson aligns with the Common Core State Standards for Mathematics for 8th grade, specifically focusing on exponents and their properties.

Lesson Structure

Step Number	Step Title	Length (minutes)	Details
1	Introduction to Negative Exponents	10	Introduce the concept of negative exponents through examples. Discuss how ( a^{-n} = \frac{1}{a^n} ). Explain the importance in real-world contexts.
2	Guided Practice	15	Work through several examples as a class. Simplify expressions with negative exponents on the whiteboard. Encourage student participation and questions.
3	Independent Practice	15	Distribute worksheets with practice problems. Allow students to work individually. Circulate to provide support and ensure understanding.
4	Application in Real-world Context	5	Present a real-world scenario that utilizes negative exponents, such as scientific notation in astronomy. Engage students in a discussion about applications.
5	Review and Homework Assignment	5	Recap key concepts learned in the lesson. Distribute homework assignment that includes practice problems on negative exponents. Provide clear instructions and due date.
6	Closing Remarks	5	Allow for any final questions or clarifications and remind students of the importance of practicing negative exponents. Summarize the lesson’s learning outcomes.

Homework Check

• Homework will be collected and graded without student presentations.
• Provide feedback to students via written comments on their homework submissions.

Additional Notes

• Encourage collaboration and peer discussions during practice time.
• Monitor student engagement and clarify any misconceptions as they arise.
• Consider providing additional resources or extensions for students who grasp the concept quickly.

Lesson script