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1st Triangle Congruence

This document provides a lesson plan on teaching the concept of triangle congruence to 8th grade students. The objectives are for students to define congruent triangles, illustrate corresponding sides and angles, and relate the concept to real life. The lesson plan outlines procedures for preliminaries, reviewing prior topics, presenting examples, discussing concepts, practicing skills through examples and an activity, finding practical applications, making generalizations, and evaluating learning. Students will be asked to identify where else they have seen congruent triangles.

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Mary Ellen Manog
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371 views3 pages

1st Triangle Congruence

This document provides a lesson plan on teaching the concept of triangle congruence to 8th grade students. The objectives are for students to define congruent triangles, illustrate corresponding sides and angles, and relate the concept to real life. The lesson plan outlines procedures for preliminaries, reviewing prior topics, presenting examples, discussing concepts, practicing skills through examples and an activity, finding practical applications, making generalizations, and evaluating learning. Students will be asked to identify where else they have seen congruent triangles.

Uploaded by

Mary Ellen Manog
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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QUARTER 3

Week 3

Subject: Grade Level: 8


MATHEMATICS

Content Standard Demonstrates understanding of key concepts of axiomatic structure of


geometry and triangle congruence.

Performance Able to communicate mathematical thinking with coherence and clarity in


Standard formulating, investigating, analyzing, and solving real-life problems
involving congruent triangles using appropriate and accurate
representations.

Competency Illustrates triangle congruence.

I. OBJECTIVES
Knowledge: 1. Define congruent triangles.
Skill: 2.Illustrate corresponding sides and corresponding angles of congruent
triangles
Attitude: 3. Relate the concept or importance of congruent triangles in real life.

II. CONTENT Triangle Congruence

III. LEARNING RESOURCES


References
Teacher’s Guide
Pages
Learner’s Materials
Pages
Textbook Pages
Additional Visual Aids, Chalkboard, Activity sheets, Materials for drawing and
Materials measuring.
Learning
Resources (LR)
portal
Other Learning Self - Learning Module Quarter 3 - Module 6
Resources

IV. PROCEDURES
A. Preliminaries  Prayer
 Greetings
 Checking of Attendance
 Checking of Assignment
 Instruction for the session

B. Reviewing or The teacher will ask the students to recall previous topic about
presenting the new mathematical system.
lesson
C. Establishing a  Topic
purpose for the  Tell the learners, the objectives of the lesson.
lesson
D. Presenting Picture Analysis: The teacher will show series of congruent figures
examples of the Ask: What did you notice from figures on the pictures?
new lesson
E. Discussing new Congruence is a property of geometrical figures. Two figures are
concepts and congruent if they have the same shape and size.
practicing new
skills #1

Examples:

1. Identify 6 parts of corresponding congruent parts of


the given triangles and name the two congruent
triangles.

2. Show that two triangles are congruent.

3. Given ∆𝑷𝑹𝑶 ≅ ∆𝒀𝑿𝒁. Identify the congruent


sides and congruent angles.

F. Discussing new Practice Exercise:


concepts and
practicing new
skills #2

G. Developing Activity: BUILD ME UP


Mastery The class will create/build two triangular camping tents using the given
corresponding parts of two congruent triangles, students will be group into
4; the teacher will assign each group to do a task. After a given time, every
group will present their work with the following labor identity: architect,
engineer, construction worker and teacher. Their presentation will be
graded with criteria the teacher prepared.
H. Finding practical Real-Life Facts
applications of Congruent triangles are used in construction when we need to reinforce
concepts and skills structures so that they are strong and stable and do not bend on buckle in
in daily living strong winds or when under load.
I. Making The teacher will ask students about the concept of congruent triangle.
Generalizations Ask: When can you say if a triangle is congruent?
and abstractions Add some important values and lesson that everyone needs to acquire in
about the lesson the relation of the topic.
J. Evaluating
learning

K. Additional Direction: Answer on a sheet of paper.


Activities for
application or Where else did you see congruent triangles? Write as many as you can.
remediation

Prepared by: Observed by:

MARY ELLEN S.MANOG JESSIE A. SUDARIO


PST Teacher 1

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