Media Pembelajaran atau Alat Peraga "PAPAN JURANG" Papan Penjumlahan dan Pengurangan

Summary

In this educational video, Debi Amira introduces the concept of 'Papan Jurang,' a teaching aid designed to facilitate the understanding of addition and subtraction for elementary students. The video outlines learning objectives, explaining the operations clearly with hands-on examples, including how to solve problems like 137 + 32 and 344 - 221 using ice cream sticks for counting. Debi also presents a relatable word problem involving buying eggs to demonstrate the addition process. Overall, the video highlights the effectiveness of interactive learning tools in making arithmetic concepts more accessible and engaging for young learners.

Takeaways

• 😀 The presenter, Debi Amira, introduces the topic of teaching addition and subtraction using a visual aid called 'papan jurang'.
• 😀 'Papan jurang' stands for a teaching tool that helps in performing addition and subtraction of whole numbers.
• 😀 The learning objectives include understanding and demonstrating addition and subtraction for hundreds, tens, and units.
• 😀 Whole numbers are defined as numbers without fractions, including both positive and negative integers.
• 😀 Addition is described as the mathematical operation of combining numbers, while subtraction finds the difference between them.
• 😀 The presenter explains the components of 'papan jurang', which includes sections for hundreds, tens, and units, along with ice cream sticks as manipulatives.
• 😀 The first example demonstrates the addition of 137 and 32, where students place sticks in the corresponding sections for calculation.
• 😀 The method involves counting sticks to find the totals for each place value: hundreds, tens, and units.
• 😀 A subtraction example is provided with the problem 344 - 221, showcasing how to manage borrowing during calculations.
• 😀 The overall conclusion emphasizes that using 'papan jurang' can make learning addition and subtraction more engaging and effective for students.

Q & A

What is the main purpose of the papan jurang teaching tool?

The papan jurang is designed to help students learn addition and subtraction, particularly with whole numbers in the hundreds, tens, and units.

What are the three learning objectives outlined in the lesson?

1. Students can demonstrate addition and subtraction with whole numbers accurately. 2. Students understand the concepts of addition and subtraction. 3. Students can determine the results of addition and subtraction confidently.

How does the lesson define addition?

Addition is defined as the mathematical operation of combining one number with another to produce a specific result.

What is the definition of subtraction given in the lesson?

Subtraction is described as the process of finding the difference between two whole numbers.

What materials are used in the papan jurang demonstration?

The demonstration uses a board with sections for hundreds, tens, and units, along with ice cream sticks to represent numbers.

How is the addition problem 137 + 32 solved using papan jurang?

Debi places sticks into the sections for hundreds, tens, and units based on the digits in the numbers, adds them together, and calculates the result step-by-step to find that 137 + 32 equals 169.

What steps are taken to solve the subtraction problem 344 - 221?

The sticks are placed in the sections for 344, and then sticks are removed according to the digits in 221 to perform the subtraction, ultimately showing that 344 - 221 equals 123.

Can you provide an example of a word problem presented in the lesson?

An example given is: Debi bought 37 eggs and then bought 12 more. The problem is solved by adding the two quantities, resulting in 49 eggs.

What conclusion does Debi draw about the use of papan jurang in teaching?

Debi concludes that using papan jurang makes learning addition and subtraction more engaging and effective for students.

What is Debi's final message to the viewers?

Debi expresses hope that the papan jurang tool and the video will help both students and teachers in learning addition and subtraction, and she offers a polite farewell.