Observasi Kelas Fokus Prilaku Penerapan Disiplin Positif di Kelas 5 SD Negeri 08 Selat Guntung

Suci Kimora

13 Mar 202417:55

Summary

TLDRThe teacher starts the class with a motivational greeting and a recap of classroom rules like respect, honesty, and teamwork. She then introduces the topic of calculating the area of triangles, explaining the importance of math in everyday life, such as building roofs or measuring fields. Through interactive discussions, group work, and problem-solving exercises, students explore different types of triangles and the formula for calculating their area. The lesson ends with a reflection on class agreements, encouraging students to improve collaboration and honesty in their actions.

Takeaways

📚 The lesson begins with the teacher greeting the class and reinforcing classroom agreements, such as mutual respect, teamwork, and honesty.
🔢 The class is learning about mathematics, specifically the topic of triangles and how to calculate the area of a triangle.
✍️ The teacher reviews previous lessons on the elements of triangles, including base, height, and different types of triangles like right-angled, isosceles, and scalene triangles.
📐 The primary focus of the lesson is finding the formula for calculating the area of a triangle: (1/2) x base x height.
🏠 The teacher gives real-life examples of where triangle area calculations are useful, such as determining the area of a triangular window or roof in construction.
🎨 A comic strip is introduced to engage students with a relatable scenario where a triangular window is broken by a soccer ball, and they must calculate the glass area to replace it.
💬 Students are divided into groups to discuss and solve the problem presented in the comic, fostering teamwork and practical application of the math formula.
📊 After group discussions, students present their findings, with the teacher emphasizing the importance of collaboration and participation.
🎥 A video demonstration is used to visually explain how the area of a triangle can be derived by transforming it into a rectangle.
📝 At the end of the lesson, students are asked to reflect on classroom agreements and note if any were not followed, promoting self-awareness and improvement in behavior.

Q & A

What was the teacher emphasizing at the beginning of the class?
-The teacher was emphasizing the class agreements, such as mutual respect, teamwork, cleanliness, honesty, and learning with joy.
What subject was being taught during the lesson?
-The subject being taught was mathematics, specifically focused on triangles and how to calculate the area of a triangle.
What is the formula for calculating the area of a triangle that the teacher discussed?
-The formula for calculating the area of a triangle is 1/2 × base × height.
How did the teacher connect the concept of the area of a triangle to real life?
-The teacher explained that the area of a triangle can be used to calculate things like the size of a triangular roof or the area of a triangular plot of land.
What example was given from a comic to demonstrate the application of the triangle area formula?
-The teacher used an example from a comic where a boy named Dawi accidentally broke a triangular window, and the class was asked to calculate the area of the window to determine how much glass was needed to replace it.
How did the students work together to solve the problem of finding the area of a triangle?
-The students were divided into groups and asked to discuss and solve the problem collaboratively. They used the formula 1/2 × base × height to find the area of the triangular window.
What was the base and height of the triangle in the example, and what area did the students calculate?
-The base of the triangle was 20 units, and the height was 50 units. Using the formula, the students calculated the area to be 500 square units.
What was the teacher’s feedback on the group activity?
-The teacher praised the students for their teamwork but mentioned that some students needed to improve their participation in group discussions.
How did the teacher reinforce the concept of the triangle’s area after the group activity?
-The teacher showed a video that visually explained how the base and height of a triangle form a right angle and how the area can be calculated using the formula derived from the area of a rectangle.
What reflection activity did the teacher ask the students to complete at the end of the lesson?
-The teacher asked students to reflect on their behavior regarding the class agreements and write down which agreements they had followed, which ones they had violated, and how they planned to improve.

Outlines

00:00

🎓 Morning Motivation and Classroom Agreement

The teacher begins by greeting the students, motivating them with morning enthusiasm. She confirms students' health and their eagerness to learn, reminding them of the classroom agreements such as mutual respect, cooperation, and honesty. The teacher checks whether students have been adhering to these principles and encourages them to apply these values both at home and in school. The focus is on learning mathematics in a joyful, not intimidating way, setting a positive tone for the lesson.

05:03

🏠 Real-Life Application of Triangle Area Formula

The teacher explains the practical importance of learning the formula for the area of a triangle. She discusses how this knowledge can be useful in daily life, such as calculating the area of triangular roofs or plots of land. The teacher provides relatable examples, including calculating the area of a triangular section of a parking lot or a garden. This sets the stage for engaging the students in applying the mathematical concepts to real-world situations.

10:07

📚 Group Work and Problem Solving on Triangles

Students are grouped to discuss and solve problems related to triangles, specifically focusing on finding the area of a triangular window that has been broken. The teacher encourages cooperation within groups, guiding them on how to solve the problem using the area formula (1/2 * base * height). She oversees the group discussions, ensuring that students understand and collaborate effectively, while providing feedback and direction to improve their teamwork.

15:09

✏️ Review, Reflection, and Class Conclusion

After group presentations, the teacher reviews the concepts taught, especially focusing on calculating the area of triangles. She emphasizes the importance of cooperation during discussions and asks the students to reflect on any classroom agreements they may have failed to follow. The session concludes with the teacher asking students to write down their reflections on how to improve adherence to the agreements. The lesson ends with gratitude and a formal closing, reinforcing the key takeaways from the day’s activities.

Mindmap

Keywords

💡Class Agreement

A set of rules established by the students and teacher to create a positive learning environment. In the video, it includes principles such as mutual respect, cooperation, honesty, and cleanliness. The teacher frequently asks the students if they remember the agreement and whether they are following it, emphasizing its importance for classroom harmony.

💡Respect

One of the key principles of the class agreement, focusing on the mutual respect between students. The teacher highlights 'respect' as an essential value that students should practice in their interactions with each other. It is meant to foster a supportive and collaborative classroom environment.

💡Collaboration

Collaboration refers to students working together to achieve common goals. In the script, the teacher encourages students to work in groups and collaborate effectively, particularly during problem-solving activities such as calculating the area of triangles. Collaboration is part of the class agreement and is essential for learning.

💡Honesty

Honesty, both in speech and actions, is another principle emphasized by the teacher as part of the class agreement. Students are reminded to be truthful in their words and deeds, not just in the classroom but in all aspects of their lives. This is considered critical for personal integrity and building trust in the classroom.

💡Triangle

The triangle is a core concept in the lesson. The teacher discusses different types of triangles (such as right-angled, equilateral, and scalene triangles) and the components that make up a triangle, like the base and height. Students are also taught how to calculate the area of a triangle, applying mathematical concepts to real-world examples.

💡Area of a Triangle

The formula for calculating the area of a triangle (1/2 * base * height) is a key learning objective in the lesson. The teacher uses both abstract examples and practical applications, such as determining the area of a triangular window or part of a roof, to help students understand the relevance of the formula.

💡Problem Solving

Problem-solving is a critical skill emphasized during the mathematics lesson, particularly when applying the formula for the area of a triangle. Students are grouped and tasked with solving real-world problems, such as finding the area of a triangular window in a house. This encourages analytical thinking and application of knowledge.

💡Real-life Application

The teacher relates mathematical concepts, such as the area of a triangle, to everyday situations like building a roof or replacing a triangular window pane. This real-life application helps students see the value of learning mathematics beyond the classroom, making the lesson more engaging and practical.

💡Mathematics

Mathematics is the subject being taught in the video, with a focus on geometry, specifically triangles. The teacher aims to show that mathematics is not 'scary' but enjoyable and useful, especially by relating it to real-world examples. This approach helps demystify the subject and encourage a positive attitude towards learning math.

💡Discussion

The teacher promotes active discussion among students, particularly during group work. By discussing concepts like the area of a triangle, students learn to articulate their understanding and correct each other's misconceptions. This collaborative discussion is also tied to the class agreements of respect and cooperation.

Highlights

The class begins with a motivational chant and greeting, setting a positive and enthusiastic tone for the session.

The teacher recalls a classroom agreement on mutual respect, collaboration, and honesty, reinforcing the values of teamwork and integrity.

The teacher engages students by revisiting previously learned concepts, like types of triangles and their properties.

Students are introduced to the goal of the lesson: finding the formula for the area of a triangle and its practical applications in real life.

The teacher connects mathematical concepts to daily life, such as measuring the area of a triangular roof or a parking lot.

A comic strip is introduced to the lesson, with Dawi, a character, using real-life examples (like replacing a broken triangular window) to apply the triangle area formula.

The lesson emphasizes group work and collaboration as students are divided into teams to solve problems related to the area of triangles.

The teacher reinforces the importance of classroom agreements, such as effective teamwork, reminding students to improve collaboration in future group activities.

Students actively participate in problem-solving, applying the triangle area formula: (1/2) * base * height.

A multimedia approach is used when the teacher presents a video that visualizes the formula for the area of a triangle by transforming it into a rectangle.

The lesson introduces a real-world problem where students need to calculate the area of a triangle given its base and height, reinforcing practical applications of math.

The teacher uses a hands-on approach, asking students to physically draw and divide triangles to better understand the mathematical concept.

The teacher encourages self-reflection by asking students to write about which classroom agreements they followed and where they need improvement.

The class ends with a final reflection on the lesson and a recap of the key takeaways, including the formula for the area of a triangle and its practical uses.

The overall teaching method focuses on integrating theory with real-world application, ensuring students understand how math concepts like the area of a triangle apply in everyday life.