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Lesson Plan Math Class IX Ch5  Euclid's Geometry
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E LESSON PLAN
SUBJECT MATHEMATICS CLASS IX
Lesson plan for math. class IX (Chapter 5) Introduction to Euclid's Geometry, cbse lesson plans for mathematics teachers, Method to write lesson plan for maths class 9, lesson plan for maths class IX, lesson plan for maths teacher in B.Ed.
TOPIC:
Chapter: 5 : Introduction to Euclid’s Geometry
DURATION:
This
lesson is divided into Nine modules and it is completed in six class
meetings.
PRE
REQUISITE KNOWLEDGE:
Knowledge
of simple geometric terms like line, line segment, circle, radius, angle etc.
TEACHING
AIDS:
Green
Board, Chalk, Duster, Charts, smart
board, projector and laptop etc.
METHODOLOGY:
Demonstration
and Lecture method
OBJECTIVES:
 Euclid’s geometry
 Euclid’s axioms and postulates.
 Difference between axioms and postulates.
 Different forms of Euclid’s fifth postulate.
 Differentiate axioms and postulates and its applications in various geometrical concepts
PROCEDURE
:
Teacher will ask the
class about the meaning of word ‘geometry’. After getting the different answers
from the class, Teacher himself explains its meaning and reason for its
origination step by step as follows.
S. No 

1 
The word geometry comes from the Greek words ‘geo’ meaning the ‘earth’ and ‘metrein’ meaning ‘to measure’ Geometry appears to have originated from the need for measuring land. Teacher will also explain how and why Egyptians developed number of geometric techniques and rules for constructions.

2 
Euclid was a teacher of Mathematics at Alexandria in Egypt during the period of 325 BC to 265 BC. He collected all the known work in Mathematics and arranged it in his famous treatise. This treatise is called " Elements". He divided the "Elements" into thirteen chapters, each called a book. These books influenced the whole world's understanding for geometry.

3 

4 
1. A point is that which has no part. 2. A line is breadth less length. 3. The ends of a line are points. 4. A surface is that which has length and breadth only.

5 
Euclid assumed certain properties, which were not to be proved. These assumptions are called the universal truths in Mathematics. He divided them into two types: axioms and postulates.

6 
Common notions in Mathematics which are specifically used throughout the whole Mathematics are called axioms. Some of the axioms are as follows. 1.) Things which are equal to the same things are equal to one another. 2.) If equals are added to equals, the wholes are equal. 3.) If equals are subtracted from equals, the remainders are equal. 4.) Things which coincide with one another are equal to one another. 5) The whole is always greater than the part. 6.) Things which are double of the same things are equal to one another. 7.) Things which are halves of the same things are equal to one another.

7 
Common notions in Mathematics which are specifically used in geometry are called postulates. Main postulates are as follows: 1.) A straight line may be drawn from any one point to any other point. 2.) A terminated line can be produced indefinitely. 3.) A circle can be drawn with any centre and any radius. 4.) All right angles are equal to one another. 5.) If a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than two right angles. Then the two straight lines , if produced indefinitely, meet on that side on which the sum of angles is less than two right angles.

8 
Equivalent version of Euclid’s fifth Postulate Two distinct intersecting lines cannot be parallel to the same line. Or If two lines are intersected by a transversal then the lines are parallel if sum of the interior angles on the same side of transversal is equal to the two right angle. 
EXPECTED OUTCOMES:
After
studying this lesson students will be able
to understand the term geometry and its origin. Students should know about
the great Mathematician Euclid and his contributions in mathematics. Students should
also know about the axioms and postulates of Euclid Geometry.
STUDENTS
DELIVERABLES:
Review questions given by the teacher.
Students can prepare presentation on the Euclid’s axioms and postulates. Solve NCERT problems with
examples.
EXTENDED LEARNING:
Students can extend their learning by studying basic concepts and formulas of mathematics through the Resource Centre Mathematics and can find interesting topics on mathematics at the site https://www.cbsemathematics.com/
ASSESSMENT
TECHNIQUES:
At the end of the lesson a Class Test will be taken.
Retest(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.
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thanks a lot!
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