E- LESSON PLAN SUBJECT MATHEMATICS CLASS IX
Lesson plan for mathematics class IX, chapter 8, Quadrilaterals. cbse lesson plans for mathematics teachers, Method to write lesson plan for maths class 9, lesson plan for mathematics grade IX, lesson plan for maths teacher in B.Ed.
TEACHER'S NAME : DINESH KUMAR | SCHOOL : RMB DAV CENTENARY PUBLIC SCHOOL NAWANSHAHR |
SUBJECT : MATHEMATICS | CLASS : IX STANDARD BOARD : CBSE |
LESSON TOPIC / TITLE : CHAPTER 08: Quadrilaterals | ESTIMATED DURATION: This topic is divided into six modules and are completed in 10 class meetings. |
PRE- REQUISITE KNOWLEDGE:-
TEACHING AIDS:-
Green Board, Chalk, Duster, Charts, smart board,
projector and laptop etc.
METHODOLOGY:-
Demonstration and Lecture method
OBJECTIVES:-
Through this lesson students will be able
to:
- Recall the definition of
quadrilaterals.
- Identify different types of
quadrilaterals.
- Design different quadrilateral under
given conditions.
- (Prove)The diagonal divides a
parallelogram into two congruent triangles.
- (Motivate) In a parallelogram
opposite sides are equal and conversely.
- (Motivate) In a parallelogram
opposite angles are equal and conversely.
- (Motivate) A quadrilateral is a
parallelogram if a pair of its opposite sides is parallel and equal.
- (Motivate) In a parallelogram
diagonals bisects each other and conversely.
- (Motivate) In a triangle, the line
segment joining the mid-points of any two sides is parallel to the third side
and is half of it.
- (Motivate) In a triangle if a line
is drawn through the mid-point of one side of triangle and is parallel to the
second side then it bisect the third side.
- Apply the Mid-point theorem and solve problems
related to the midpoint of sides of a triangle
Complete Explanation of all the above theorems
PROCEDURE :-
Teacher will ask the class about
different types of polygons and then different types of quadrilaterals. After
getting the different answers from the class, Teacher himself explains these
topics , step by step as follows.
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S. No
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Topic [For complete explanation of the topic click here]
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1
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Introduction The topic will be introduced by meaning of the topic ‘QUADRILATERALS’: The word ‘quad’ means four and the word lateral means sides. Thus, a closed plane figure bounded by four line segments is called a quadrilateral. Teacher will give examples from our day to day life such as Square, Rectangle etc.
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2
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Explaining the Family of Quadrilaterals Teacher will illustrate that quadrilaterals further have different types
like Trapezium, Parallelograms, Rectangle, Rhombus, Square. Teacher will differentiate these by their properties. It is commonly
used in our day to day life.
Teacher will give a questionnaire in groups to check different types of
quadrilateral.
This activity will help the students to relate the concept with daily
life situations.
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3
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Introduction of TheoremsTeacher should provide proofs of all the theorems
mentioned in the objective and guide the students to prepare only those
theorems for the examination which are mentioned with the word “Prove” in front
of the statement. Teacher will also help the students in implementing these
theorems and basic concepts in different problems. 
Properties of parallelogram - Opposite sides are equal and parallel.
- Opposite angles are equal.
- Adjacent angles are supplementary.
- Diagonals bisect each other.
Students may visit the following link for complete explanation https://www.cbsemathematics.com/2022/08/theorems-on-quadrilaterals-ch-8-class-9.html
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4
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Introducing the Worksheets Some worksheets including logical reasoning,
application and understanding of the concept based and higher order thinking
skills will be prepared separately. It will improve students logical thinking
and reasoning power. Properties of Rectangle- Both pair of opposite sides are equal and parallel.
- Diagonals are equal and bisects each other.
- All angles are equal to 90o
- Adjacent angles are supplementary.
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5
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Weak students will be given special attention and
if possible then provision of their sitting should be made in the front row. 
- All sides are equal.
- Opposite sides are equal and parallel.
- Opposite angles are equal.
- Adjacent angles are supplementary.
- Diagonals bisects each other at right angle.
- Diagonals are not equal.
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6
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In order
to increase the concept clarity in the minds of the students teacher should
divide the content in parts and prepare worksheets for all types of
students.
Special worksheets for weak
students should be made. References: NCERT Book of Mathematics NCERT Exemplar of Mathematics www.cbsemathematics.com |
EXPECTED OUTCOMES:-
After
studying this lesson students will be able to understand the
- Different types of quadrilaterals and
their properties.
- Relationship between different types
of quadrilaterals.
- Able to apply different theorems in
the problems.
- Able to draw different types of quadrilaterals.
STUDENTS DELIVERABLES:-
- Review questions and all basic points assigned by the teacher.
- Solve NCERT problems with examples and with important theorems.
- Students may prepare their Power Point Presentation on the properties and different types of quadrilaterals.
EXTENDED LEARNING:-
ASSESSMENT TECHNIQUES:-
At the end of the lesson a Class
Test will be taken.
Re-test(s) will be conducted on the basis of the
performance of the students in the test.
Worksheets and assignments should be given to the students.
Arrangement should be made for the oral test or quiz
competitions.
FEEDBACK:
All those students who performed well will be appreciated positively, and all those who can not perform up to the mark will again be given some important tips, guidance and positive motivation to go through the topic again and then re-evaluated again. If possible then provision of remedial classes can be made for batter results.
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