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

Summary

The 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.