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Lesson Plan Math Class X (Ch2)  Polynomials
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Board  CBSE 
CLASS –X 
SUBJECT MATHEMATICS 
CHAPTER 2 : Polynomials 
 Basic concepts and definitions related to the topic polynomials.
 Explanation of remainder and factor theorem.
 Relationships between zeroes and coefficients of quadratic polynomials and cubic polynomials.
 Explanation of division algorithm.
 Method of finding all zeroes of cubic and biquadratic polynomials.
S. No 
Topic 
1 
Introduction and motivation Teacher will start the session by giving many examples of
Algebraic Expressions. Now teacher will explain which types of Algebraic
Expressions are called Polynomials. After this teacher will introduce the
definition of Polynomial and explain the different components of polynomials. Polynomial: An algebraic expression in which the exponent of
the variable is a whole number is called a polynomial. Example: 3x^{2 }+ 5,
4x^{3 } 8x^{2 }+ 5x  3, 5x^{4 }+ 3x^{2 } are some examples of polynomial . 
2 
Important Definitions Now teacher will explain the Important Definitions like Degree, coefficients and zeroes of the polynomials and their graphical representations. Degree of constant polynomial is zero and degree of zero polynomial is undefined. After this teacher will explain the different types of polynomial on the bases of degree and on the basis of number of terms. Teacher will also give examples and explanations of definitions of the polynomials like linear, quadratic, cubic, biquadratic, monomial, binomial, and trinomial .

3 
Finding Zeroes from the Graph Students will be given the knowledge of finding the number of zeroes from the graph of the polynomial. Number of zeroes of a polynomial is equal to the number of times the graph of that polynomial meet the x  axis. Graph of a quadratic polynomial is always parabolic. 
4 
Zeroes of Quadratic Polynomial Now teacher will explain the Factor method of finding the zeroes of quadratic polynomials and will explain the Relationship between zeroes and coefficients. Teacher will also provide some problems to the students to check whether students can apply the method or not. 
5 
Now teacher will explain the method of finding the quadratic polynomial from the zeroes and explain the topic by taking some examples. 
6 
Division Algorithm By taking some examples, teacher will explain the method of dividing one polynomial by another. To verify the result of division teacher will explain the Division Algorithm. Dividend = Divisor ❌ Quotient + Remainder 
7 
Zeroes of BiQuadratic Polynomial Now teacher will explain the method of finding all zeroes of bi quadratic polynomials by using factor theorem and division algorithm. Method will be well explained by taking examples. Teacher can also give some problems to the students to check whether they will understand the concept or not. 
8 
Zeroes of Cubic Polynomial Now concept of cubic polynomial is also be introduced. Students will be given the knowledge of cubic polynomial, its general form, its zeroes and the relationship between zeroes and coefficient. 
EXPECTED OUTCOMES:
 After studying this lesson students will be able to explain the relationship between zeroes and coefficients.
 Students should know the method of division of one polynomial with another and the division algorithm.
 Students should be able to factorize the quadratic, cubic and biquadratic polynomials and become able to find their zeroes.
 Review questions given by the teacher.
 Student can prepare the presentation on the topic relationship between zeroes and coefficients for quadratic as well as cubic polynomials.
 Solve NCERT problems with examples,
 Solve assignment on Multiple Choice Questions (MCQ) given by the teacher.
Students can extend their learning through the RESOURCE CENTRE and can find more valuable and interesting concepts on mathematics at cbsemathematics.com
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RAGHAVENDRA NAIK
ReplyDeleteWell planned lesson plan