Adding to 10 | Basic addition and subtraction | Early Math | Khan Academy

Summary

The video lesson from Khan Academy focuses on basic addition, aiming to add up numbers to reach a sum of 10. It begins with three bananas and demonstrates how to calculate the additional quantity needed to total ten bananas. Through a visual and methodical approach, the lesson shows adding one banana at a time, encouraging viewers to pause and try figuring out the required number independently. The process highlights adding seven more bananas to the initial three to achieve the total of ten, showcasing a fundamental math concept of addition in a relatable context.

Highlights

• Starting with 3 bananas, aimed to add more to total 10. 🍌
• Encourages viewers to pause and find the solution themselves. ⏸️
• Illustrates adding bananas one by one until reaching 10. 🍌✨
• Showcases simple addition: 3 + 7 equals 10. ➕
• Equal number of bananas on both sides confirms the result. ✅

Key Takeaways

• Adding numbers to reach a total of 10 is easy and fun! 🍌
• Visual demonstrations help in understanding basic math concepts better. 🎥
• Interactive learning encourages self-practice and boosts confidence. ✋

Overview

In this delightful Khan Academy video, we dive into the basics of addition using bananas as our counting pals. We start with three bananas and have a mission to reach a total of ten bananas. The video cleverly nudges the viewer to engage by pausing and contemplating how many more bananas are needed, turning learning into an interactive experience.

As bananas pile up one by one, the anticipation builds! By adding a banana at a time and counting afresh with each addition, viewers visually grasp how these small steps lead to big numbers. The narrative guides through each step, confirming how seven additional bananas are required to hit that magical number, ten.

Finally, we recheck our banana math by comparing the left and right banana piles, ensuring they match up to ten each side. This is not just a lesson in addition; it’s an upbeat journey through basic math presented in a fun, engaging way that makes fundamentals unforgettable!

Chapters

• 00:00 - 00:30: Introduction to Adding Bananas This chapter introduces the concept of addition using bananas as a visual aid. It begins with three bananas and presents a problem where more bananas need to be added to reach a total of ten bananas. The chapter encourages viewers to pause and solve the problem independently. This simple exercise sets the foundation for understanding basic addition.
• 00:30 - 01:00: Counting and Adding Bananas The chapter titled 'Counting and Adding Bananas' involves a progressive counting exercise where bananas are added one by one, starting from three and going up to ten. The narrative guides through the process of adding bananas sequentially, demonstrating an addition exercise. The total number of bananas added is implied to be ten, following an interactive style to engage the reader in counting and basic arithmetic.
• 01:00 - 01:30: Confirming the Total The chapter titled 'Confirming the Total' focuses on counting and basic addition. The speaker begins by counting from one to ten, using bananas as an example to illustrate the concept. They confirm the total number of bananas by adding seven more to the initial count of three, thereby reaching a total of ten. This exercise helps in understanding the fundamental arithmetic operation of addition to reach a specified sum.
• 01:30 - 02:00: Conclusion and Verification of Addition In the chapter titled 'Conclusion and Verification of Addition,' the discussion focuses on verifying the addition of numbers using bananas as visual aids. The narrator explains that adding three bananas to seven bananas results in a total of 10 bananas. To ensure the accuracy of this addition, both sides (the original and the result) are visually verified to contain the same number of bananas, confirming that three plus seven equals 10. This exercise illustrates the equality and correctness of the addition process.

Adding to 10 | Basic addition and subtraction | Early Math | Khan Academy Transcription

• 00:00 - 00:30 - [Voiceover] We've got three bananas here. One, two, three. So I'm starting with three bananas and I want to add some number of bananas so that I end up with 10 bananas. So this is what I'm starting with. I'm starting with three and I want to end up with 10. One, two, three, four, five, six, seven, eight, nine, ten. So what do I have to add to the three to get to 10? I encourage you to pause this video and try this out on your own.
• 00:30 - 01:00 So let's work through this. So let's just start adding bananas. So that's three. So now let me add a fourth. That would be my fourth banana. Five bananas. Six bananas. Seven bananas. Eight bananas. Nine bananas. And ten bananas. So how many bananas did I add? So now I added some number of bananas here.
• 01:00 - 01:30 So in total I have one, two, three, four, five, six, seven, eight, nine, ten. So how many did I have to add to the three in order to get to the total of 10 in order to get this 10 right over here? We could just count these. This is one, this is two, this is three, four, five, six, seven. I added seven bananas.
• 01:30 - 02:00 I added seven bananas to the original three bananas to get to 10. So three plus seven is equal to 10. And you can see that what we have on this left side is indeed equal to what we have on the right side. On the left side we have one, two, three, four, five, six, seven, eight, nine, ten bananas and on the right hand side we have one, two, three, four, five, six, seven, eight, nine, ten. So they are indeed equal.