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- 1. I. OBJECTIVE: At the end of the lesson, the learners should be able to: a.) Identify the different kinds of polygons b.) Name the different kind of polygons c.) Give the number of sides and angles of a given polygon accuratelyII. SUBJECT MATTER: Topic: Polygons Reference: Integrative Mathemetics Materials: drawings of polygons, chalk, board Core Value: accuracyIII. Procedure: Routinary Activity: *Prayer *Greetings *KKP TEACHER’S ACTIVITY LEARNERS’ ACTIVITY a.) Motivation: “Last meeting, we talked about lines and line segments. Again, what is a line?” “ A line is endless and infinite.” “That’s right! How about a line segment?” “ A line segment has 2 endpoints.” “ Take a look on this book. How many line segments are there in its shape?” “ Since the shape of the book is rectangle, there are 4 line segments.” “Very good. Now, how do we call the shapes whose sides are all line segments?” b.) Presentation of the Lesson: “Toda we are going to discuss about Polygons. And what are polygons?” Polygons are plane figures whose sides are all line segments.
- 2. “Now, take a look on this two figures, which among them is a polygon?” A B A “Figure B, is a polygon.”“Why do you say so?” “ Figure B is a polygon because all of its sides are line segments.”“Very good. The points where 2 line segmentsmeet is called vertex/vertices.” c.) Lesson Proper “ There are different kinds of polygons depending on the number of its sides and angles. Study the table.” POLYGONS NO. OF SIDES NO. OF ANGLES Triangle 3 3 Quadrilateral 4 4 Pentagon 5 5 Hexagon 6 6 Heptagon 7 7 Octagon 8 8 Nonagon 9 9 Decagon 10 10 “ Familiarize yourselves on the kinds of polygons for 5 minutes and we are going to name different figures later.” (After 5 minutes) “Take a look on the figures on the board and let’s study them one by one.”
- 3. “How many line segments are there in the figure?” “3” “How many angles are there? “3” “ So, What kind of Polygon it is? “Triangle.” “Now, I’m going to point the figure and tell How many line segments/sides and angles it has and what kind of polygon it is.” “4 sides, 4 angles, Quadrilateral” “5 sides, 5 angles,pentagon.” “6 sides, 6 angles, hexagon” The teacher is going to present more figures.d.) Generalization: “what are polygons?” “Polygons are figures whose are all line segments.”
- 4. “How do you call the common endpoint where two tine segments meet?” “vertex”IV. EVALUATION “You are to be grouped into 4. Count off. Each group prepare for a paper basket and then everyone of you will write his/her name in a ¼ sheet of paper then fold it and place it in the basket of your group. I will draw one for Group 1 and group 11, I will point at a figure on the board and you are to identify what kind of polygon it is. The two who were called will start at the back. Every correct answer corresponds to 1 step forward.(First to answer will be considered.) Every after a correct answer will change the participants. (2 points each correct answer)V. ASSIGNMENT: Make an art using the different kinds of polygons on a short bond paper.

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