MATHEMATICS V
Subject:
School:
Mathematics V
Bontoc Central School
Date: ___________
Quarter: 3rd Quarter Week 4
I. Objective:
Visualizes and describes a circle.
Code: M5GE – IIId.23.1
Value: Accuracy in measurement
II. Subject Matter:
Topic:
Visualizing and describing a circle.
References:
CG p. 50
Mathematics for Better Life
21st Century Mathletes Textbook, pp 232
DepEd Learning Portal, Math 5
Materials:
Compass, protractor, pictures of circle-shaped objects, PowerPoint
Integration: Arts (Students will analyze a work of art involving circles.)
III. Procedures:
A. 1. Preparatory Activities:
a. Prayer
b. Greetings
c. Classroom Management
d. Checking of Attendance
e. Drill
Directions: Which of the following is a circle.
(Show different pictures of objects)
f. Review
• What is a polygon?
• Give examples of polygons
• Is a circle a polygon? Why do you think so?
2. Lesson Proper:
Motivation:
Let the children sing the given song.
Give examples of things that are round. Give their uses.
1. wheel
2. cymbals
3. 20-peso coin
4. eyeballs
5. manholes
B. Presentation:
a. Have the pupils observe the circles below.
Look at each of the circles. Do you find any line segment?
b. Describe a
c. Explain the meaning of:
 diameter
 radius
circle.
C. Generalization:
What is a circle?
What is diameter? Radius?
What instrument can be used to draw circle?
D. Practice Exercises:
Refer to circle A. Explain why AC and AB do not form a diameter.
IV. Evaluation:
Directions: Construct a circle with the following conditions.
1. radius is 10 cm
2. with center O
3. with diameter PQ
V. Assignment:
Directions: Draw and label 5 things found in your home that has a shape of a circle.