SLIDECO3 lesson on terms realted to circle.pptx

powerpoint presentation for class observation 3 terms relate to circle lesson for third quarter

1. Class Observation Welcome to our

2. 1 Directions: We will be playing the classic but modified version of snake and ladders game all throughout the lesson. I will be dividing you into 6 groups with 4 members. Your group will have a chance to roll the dice every time one of your members answers the question correctly. Highest number will win the game and get prizes. SNAKE AND LADDERS BOARD GAME

3. Activity 1: Mystery Hunt! Directions: Find the following objects Plate Dart board Donut Clock Table Electric fan Alarm clock Ashtray Sun frame

4. 2 ROLL THE DICE!

5. 1. How do you find the activity ? 2 QUESTIONS: 2. Was it easy to find the objects listed? 3. What do you think is the common characteristic of the objects you found in the Mystery Hunt?

6. Mathematics 7 Terms Related to Circle

7. Activity 2: “Points All Around” Materials needed : bond paper, ruler, pencil and marker, pin Directions: 1. Each group will be using a bond paper and will draw a point on the center of the paper. Draw a circle using the string, pin and marker.(the distance is 20cm). Name the center C 2. From the center , draw a straightline segment towards any point in the circle. Name the line segment CI . 3. Draw a straight line that will divide the circle in half. Name it line segment RI . 4. Draw a straight line that anywhere in the circle. Name it LE 2

8. 2 ROLL THE DICE!

9. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle cleric 5

10. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle c ircle 5

11. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle darius 5

12. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle radius 5

13. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle droch 5

14. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle chord 5

15. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle read time 5

16. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle diameter 5

17. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle t en rec 5

18. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle center 5

19. Activity 3: “ Circle Quest” Scramble the letters to find the terms related to circle Let’s define them 5

20. Set of all points in the plain at a given distance from a given point in the plane Circle 7

21. A line segment from the center to any point of the circle. radius 7

22. A chord containing the center . It divides the circle in to 2 equal parts diameter 7

23. Line segment whose endpoints lie on the circle chord 7

24. Point that lie in the middle of the circle center 7

25. Parts of the Circle center radius diameter chord

26. Activity 4: “Part By Part” Terms related to circle Name of the figure Symbol Center Radius Diameter Chord

27. 1 . What is the name of the circle? How is it named? 2 QUESTIONS: 2. How will you differentiate radius from diameter of the circle? 3. How will you differentiate diameter from chord of the circle?

28. 2 ROLL THE DICE!

29. Activity 5: “Getting to Know More” Illustrate the following in the Circle: 1. Center : Point E 2. Radius: line segment NE 3. Diameter: line segment FI 4. Chord: line segment Ni and FN 2

30. ANSWER! 2

31. 2 ROLL THE DICE!

32. What do you think will happen if the wheels of our cars are not circular? Let’s say the wheels of the car are triangular or rectangular ? APPLICATIONS: 3

33. 2 ROLL THE DICE!

34. GENERALIZATION How do you illustrate the radius, diameter, chord, and center of a circle?

35. 2 ROLL THE DICE!

36. QUIZ: Use the figure to identify the terms related to circles . 1. Point S 2. line segment 𝐷𝑆 3. line segment 𝐷𝐴 4. line segment 𝑆𝐸 5. line segment 𝐷𝑅 6. line segment 𝑆𝑅 5

37. 2 ROLL THE DICE and let’s see who wins!

38. Using a compass, draw a circle whose radius is 5cm. Then draw the following objects. Write “Not Applicable” if the object cannot be drawn. 1. One chord measuring 2cm. 2. One chord measuring 10cm. 3. One chord measuring 12cm. 4. Three radii measuring 5cm. ASSIGNMENT: 6

39. 2 THANK YOU!