An Introduction to the Pythagorean Theorem | Math with Mr. J

Welcome to An Introduction to the Pythagorean Theorem with Mr. J! Need help with the Pythagorean Theorem? You're in the right place!
Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with the Pythagorean Theorem. Mr. J will go through examples of right triangles and explain the Pythagorean Theorem.
About Math with Mr. J: This channel offers instructional videos that are directly aligned with math standards. Teachers, parents/guardians, and students from around the world have used this channel to help with math content in many different ways. All material is absolutely free. #MathWithMrJ
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Hopefully this video is what you're looking for when it comes to the Pythagorean Theorem.
Have a great rest of your day and thanks again for watching! ✌️✌️✌️
✅ Thanks to Aloud, this video has been dubbed into Spanish and Portuguese. #DubbedWithAloud
English
This video has been dubbed into Spanish (United States) and Portuguese (Brazil) using an artificial voice via aloud.area120.google.com to increase accessibility. You can change the audio track language in the Settings menu.
Spanish
Este video ha sido doblado al español con voz artificial con aloud.area120.google.com para aumentar la accesibilidad. Puede cambiar el idioma de la pista de audio en el menú Configuración.
Portuguese
Este vídeo foi dublado para o português usando uma voz artificial via aloud.area120.google.com para melhorar sua acessibilidade. Você pode alterar o idioma do áudio no menu Configurações.

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I regret not paying attention in high school. Thank you Mr.J for being the best math teacher I've had. Couple of years later and I need this math for my career as an Electrician. I hated math but now I really enjoy it. It feels so good when you finish a problem. For you younger people take math seriously. We need it for everything. Your older self will thank you later on. Don't be like me trying to learn everything when it's late

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That’s what I’m doing here! I always enjoyed math just let it slip out. I have a test tomorrow and I’m just refreshing myself.

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Original comment … so true!
I’m currently doing my 1st year mobile crane operator and learning this math is practically like learning to tie my shoes as an infant, but worse, lol

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When I was in the 8th grade I entered a math and science competition where I explained this theorem. Throughout my life the 3-4-5 right triangle often crossed my mind and now I use it to explain how Egyptians could have determined true north. In the 8th grade I probably knew about the other right triangles that had three sides with whole numbers, but your explanation has triggered an interest in determining other right triangles with all whole number sides.

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Coming from a ninth grader, you definitely will :)

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Wow, what a great comment! Awesome to hear that the channel has been helpful. I really appreciate the positive feedback and you taking the time to write a comment.

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My class learned a lot on this video, thanks for making it!🙂

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Working to get my GED and math is my worst subject- but after watching this video, I can say I learned something
Thank you so much for putting it in simple terms and using visual examples, and for doing multiple problems! I think I finally understand this! Seems simple after seeing this, thank you! I've been struggling with it for weeks, I'll definitely check out more of your channel for other things I'm struggling with! Thanks again and please keep up the good work- the world needs simple math tutorials like this! ❤

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[@dhyaanmanganahalli5727]

Thank you so much! Out of all the videos I've watched your video was the one that finally made me understand this topic.

[@MathwithMrJ]

You’re very welcome! Glad this helped.

[@kelaiahnordin6091]

What do you do when the measurements have a point in them. For example the two angles you know are 1.9cm and 4.3 cm?

[@quaygibson5619]

You broke this down so smoothly, I got a complete understanding with no issues. 🙌🏾

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The square map you showed was awesome!

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Thanks man, I’m getting ready 7th grade and I’m trying to study as much as I can while I can. This helped me so much and I appreciate this.

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why r u learning this in gr 7

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I'm watching this in 6th grade😅

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Thank you for this helpful video. I was struggling with helping my daughter with her math homework. This was the best explanation I could find.

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Hello Mr J! I'm in 5th grade And I'm a representative of our math competition. Thank you so much for this. It has helped me understand it easily. Thank you

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I didn’t learn this till grade 9 lol

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​@@fish-outa-bowl4122I'm in 7th and I have to learn it

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@@SysopPlayzz Depends on your school, some are more advanced than others. For me I learnt this in 7th grade as well.

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I’m in 6th, but I’m doing 7th advanced math

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[@personwhoplaysgames332]

I only watched halfway through to know that when you don't have the hypertenus, you do a^2+b^2+c^2 but when you done have a leg you can do c^2 - b^2 = a^2 and you use square root to de-square the numbers

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I had a math project about this and this really helped so thanks Mr. J

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I'm an upcoming CZcams Maths teacher, and I'm just amazed with your videos. I would like to find out how you make these videos in terms of gadgets or software.

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[@peterohmart707]

That was amazing! Any student could learn from you. You took what most students fear as awful and made it very interesting. Thank you.

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Thx mrs . J for the explantion
Apprécié ❤❤

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I can relate

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Thank you Mr. J! I have been continuing to watch your videos as they’ve been really useful and helpful! You make everything understandable! I am in a advanced program in high school, and I want to understand math concepts fast and quickly with some extra support! And you have made videos so easily to understand! Thank you!! I hope you have more videos on 8/9th grade math in the future!! 🫶🫶

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4:46 but how do u find out that the square root of 25 is automatically 5 im confused about that

[@Luniyeo]

5x5=25 so you just gotta memorize what number times by itself is 25 i guess

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Same here if it’s C sq shouldn’t it be 25 x 25

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you are great!
thank you so much!

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As a sixth grader I already love this math subject and I’m sure will enjoy it

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you will feel pain

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i do this in middle school

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I did pay attention in math class and did rather well. But whatever you don't use - you will loose. This is true for most of us. Not all...just most of us. So my suggestion is to get a binder and write down all the rules, laws, theorems, math symbols and put them in one binder - so that everything is in one place or get smaller binders or notebooks to break the math subjects up. But you gotta write them down...too much to remember. Anyway...putting in a book with examples to work the problems will give you your own easy reference.

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can i ask what to do when the last part cant be square rooted?

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I hope you do other math such as, but not limited to, Algebra, Geometry, Calculus, etc>

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No way bro same situation but mine is mid term exam 😅

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J さん、ビデオに費やしたすべての労力に感謝します。それはすべてのことを意味します。

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i drew a right triangle with legs 7 and 11 cm and the hypotenuse is not agreeing with the theorem

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Me thinking I messed up not paying attention in math for my final panicking until I saw this