Lesson Topic: Operations with polynomials of degree less than or equal to 2
Names: Elvie, Hannah, JJ, and Tiffany
Subject: Mathematics Grade: 9
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Learning Outcomes:
To learn key terms and notation for polynomials
To be able to recognize, add, and subtract different polynomials
Materials:
Multimodal slides on polynomials
“Check Your Understanding” Kahoot exit ticket
Hook/Intro:
Has anyone heard of polynomials before? If so, what do you already know? What do you still wonder?
Lesson Structure:
Introduction (1-2 minutes)
Short discussion about hook questions to gage what students might already know
Briefly introduce the topic and the shape of the day using the slides
Key Terms (3 minutes)
Go over definitions of the following terms from the slides:
- Polynomial
- Degree
- Coefficient
- ConstantPause and ask if anyone has any questions so far
Types of Polynomials (2 minutes)
Explain the difference between monomials, binomials, and trinomials
Go over examples from the slides
Adding and Subtracting Polynomials (3 minutes)
Discuss the meaning of “like terms”
Show how to add and subtract polynomials with examples from the slides
Check Your Understanding (5 minutes)
Pause and ask if students have any questions and address accordingly
Facilitate class Kahoot
Circulate and observe how students are doing with the questions
Extension:
Factorization and multiplication of polynomials
Go over examples in the slides with the students if there is time leftover
Adaptations:
A quick background knowledge check if students are familiar with mathematical language like variables, terms, and exponent.
If students want more visual representations or struggle with abstract concepts, we can guide them to resources like Desmos, GeoGebra, and online interactive algebra tiles.
Elvie, Hannah, JJ and Tiffany: This generally looks quite good! The only thing I'd like to see added (but it is an important one!) is an answer to the "why" question -- why should we care about and learn about polynomials? Please add this as an EDIT to your posted lesson plan!
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