E- LESSON
PLAN SUBJECT MATHEMATICS CLASS 10
lesson plan for maths class X chapter 10 circle, lesson plans for mathematics teachers, Method to write lesson plan for maths class 10, lesson plan for maths class X, lesson plan for mathematics grade X, lesson plan for maths teacher in B.Ed.
Board – CBSE
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CLASS –X
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SUBJECT- MATHEMATICS
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CHAPTER 10 :- Circle
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TOPIC:- Chapter 10 :
Circle
DURATION:-
This topic is divided into Eight modules
and are completed in ten class meetings.
PRE-
REQUISITE KNOWLEDGE:-
TEACHING
AIDS:- Green Board,
Chalk, Duster, Charts etc.
METHODOLOGY:- Demonstration
and Lecture method
OBJECTIVES:-
- Definition of circle and the terms related to the circle like centre,
radius, diameter, chord, segment and sector of the circle.
- Tangent to the circle at the point of contact, secant of the circle.
- (Prove) The tangent to the circle is perpendicular to the radius at the
point of contact.
- (Prove) The length of the tangent to the circle from the external point
are equal.
- (Motivate) Angle made by the chord of a circle with the tangent at the
point of contact is equal to the angle
made by the chord in the alternate segment of the circle.
PROCEDURE
:-
Start the session by checking their
previous knowledge, by asking the questions related to the circle and the terms
associated with it. Also explain the difference between the circle and sphere. After
this introduce the topic circle step by step as follows.
S. No.
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Explanation
For complete explanation of the topic 
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1
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Define circle
and the terms related to the circle like centre, radius, diameter, chord,
segment and sector of the circle. Explain the topic diagrammatically and give
some examples. Explain all the results associated with the circle that
students had read in their 9th class.
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2
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Now define the term
tangent and secant to the circle and explain the topic through their figures.
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3
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Now completely
explain the theorem that radius is always perpendicular to the tangent at the
point of contact. Also give its complete proof to the students.

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4
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Help the students by
Solving the problems based on the above theorem.
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5
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Now completely
explain the theorem that length of tangent from external point to the circle
are equal in length. Also give its complete proof to the students.

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6
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Help the students in
solving the problems based on the above theorem.
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7
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Now explain the
formula that relate the area and perimeter of the triangle with the radius of
the in-circle.

Also help the
students in the implementation of this formula.
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8
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Now explain the
statement of the theorem that angles in the alternate segment of the circle
are equal.

Also help the
students in solving the problems based on this results.
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EXPECTED
OUTCOMES:-
- After studying this lesson students
should know
- the circle and the different terms associated with the circle.
- Tangent and secant to the circle.
- Tangent is always perpendicular to the radius of the circle.
- Length of tangents from external point to the circle is always equal.
- Students should be
able to apply all the results and concepts of circle in the daily life problems problems.
STUDENTS
DELIVERABLES:-
- Review questions given by the teacher.
- Students can
prepare a presentation on circle which include all the important terms and
results associated with the circle.
- Solve NCERT problems with examples.
- Solve
assignment given by the teacher.
EXTENDED LEARNING:-
ASSESSMENT
TECHNIQUES:-
Assignment sheet will be given as home work at the end of the topic. Separate sheets which will include questions of logical thinking and Higher order thinking skills will be given to the above average students.
Class Test , Oral Test , worksheet and Assignments. can be made the part of assessment. Re-test(s) will be conducted on the basis of the performance of the students in the test.
THANKS FOR YOUR VISIT
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