Learn Metric System & Unit Conversions - Dimensional Analysis - Math, Physics, Chemistry - [16]

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In this lesson, we will learn about the metric system and unit conversions. First, we will review what a meter is and how a meter relates to a kilometer. The prefix kilo means thousand, so 1 kilometer equals 1000 meters. Next we review the prefix centi, which means 1/100. This means that there are 100 centimeters in a single meter. Finally, we review the prefix milli, which means 1/1000. This means that there are 1000 millimeters in a single meter. With this information, we can now begin to convert between units by setting up a unit conversion table. This is a powerful technique and in fact using unit conversions can be used to solve a great variety of problems in more advanced classes such as physics, chemistry, and engineering. We will convert between metric units and get practice by solving problems.

[@kaitlynsanders3772]

You helped me understand it more than my professor could. Thank you.

[@SilentNightBodomNight]

Haha same here!

[@nenzattibellece4459]

Hi, here is how a learned this (a long time ago). The units are (from left to right): Km, Hm, Dam, m, cm, dm, mm. I just work with the shifting the decimal point to the left or to the right. If I have 100.0m to convert I do this: Km Hm Dam m dm cm mm 0 1 0 0. 0 0 0 (I keep the excess zeroes in my mind only - written to ilustrate). To convert to 'cm' I move the decimal point 2 steps to the right: 10000.; to convert to 'Km' I move the decimal point 3 steps to the left: .100. Consider that the decimal point does not occupy a position under a unit of measurement, but it "points" the target unit for you! Square meter to square Km? Move the decimal point to left by 2 steps each time: 10,000m2 = 100Dam2 = 1hm2 = 0.01Km2. Also equal to 1,000,000dm2. Volume? Move the decimal point by 3 steps each time, to the right or to the left: 15,000m3 = 15dam3 = 0.015hm3 = 0.000015Km3 = 15,000,000dm3. Thank you.

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[@MathAndScience]

Thanks so much!

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[@MathAndScience]

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Hello

[@vanshgoyal7609]

You are amarecan

[@vanshgoyal7609]

Hello you are amarecan

[@memorizer4941]

This is such an amazing channel! I love math and you make it exceptionally easy to! Thanks:)

[@MathAndScience]

Thank you so much! I appreciate it!

[@kiksking9236]

Very good teacher

[@kiksking9236]

Like how explains problem

[@tresajessygeorge210]

THANK YOU... SIR...!!! Good review...!!! Best Teacher...!!!

[@antiiilluminatisquad5365]

Got a chemistry test tommorow, this is all the information I need for it! Thanks!

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[@kenlangham337]

68 and in chemistry thankful for your givens

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Thanks for your helps

[@karlag5188]

You are a great teacher! Do you teach Math for Nursing?

[@ruthchola3909]

You make it so easy...God bless

[@donnaandre7633]

Excellent video!

[@ashlieghdavis9062]

The last time i watch you guys you were 100% but now you are 1000% Love you

[@MathAndScience]

Thank you!

[@SuongThol]

Thanks for this video really important for me

[@UriValdez]

after watching part 1 and part 2 I almost got it, just need to put it into practice.

[@mryup6100]

Oooh, I needed this.

[@vanshgoyal7609]

Nice class sir

[@JustFunGeek]

Teach about determinants and metrices please....

[@shaikindian1841]

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Thanks..I would be able to teach my nephews and nieces who are in their high schools now..

[@MathAndScience]

Awesome!

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[@SebastianPerezG]

The nicer of the metric system is that you can convert any mesure , for example liters and grams and meters.

[@MathAndScience]

Yes for sure and I will cover those in a future video. Here I just focused on length.

[@rhiannesisleyclaudio8050]

Nice video!

[@MathAndScience]

Thanks so much!

[@MM-dj2cv]

Isn't.it easy TO say 160000cm conver.into metre. For me WOULD say 160000×10 then divide 100. . But for you IS a long WAy

[@hemarajue2736]

1km=1×10^3m=1×1000×100cm=1×1000×100×10mm=1000000mm or 1Mmm. Feel free to learn Be calm at study Show enthusiasm at work Be something, after many things.

[@MathAndScience]

Yes for sure!

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It already cursed me I'm dying

[@HospitalForSouls.X]

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[@stephanienelson4032]

Am Stephanie Nelson how can I join your math class

[@MathAndScience]

You can view lots for free on KZbin. I also run a website, www.MathAndScience.com where you can view all lessons and get worksheets and quizzes. Good luck! Jason

[@vanshgoyal7609]

Hello you are amarecan

[@Andre_XX]

The whole point of the metric system is you just need to move the decimal point left or right. You dont have to do long divisions and multiplications.

[@memorizer4941]

Yes, but this is just an example. In reality you would use this to solve more complex conversions. (I think)

[@Andre_XX]

@@memorizer4941 There are no complex conversions in the metric system. That is why everybody on earth has adopted the system (with one or two dumb exceptions).

[@memorizer4941]

Sorry I should have clarified. Yes it is absolutely true that the metric system is far and above superior to the imperial counterpart. I just meant that this technique in this video can be used well in other not-so-perfect systems (imperial, metric-imperial) conversions.

[@sethfrederick1336]

Help me

[@vanshgoyal7609]

Hello sir

[@sammyismail1868]

I don't get it

[@MathAndScience]

Watch it again and you’ll get it. It’s teaching you how to convert between meters and kilometers, etc.

[@insoft_uk]

Easer just to shift the decimal place, this is what we do in the UK 0.1m to 10.0cm to 100.0mm None of that maths stuff no need.

[@MathAndScience]

Yes of course you can do that but when you get to chemistry or physics the way I taught is vastly superior and will be used for more complex problems where you can’t just move a decimal point. Just trying to teach you the technique early in. Thanks! Jason

[@ofentsemassinga1952]

That is what I was taught in school but when I went to varsity this started to get complicated cause in Chemistry and physics there’s a lot more complicated conversions and trust me when I say you will not get anywhere with this cram thing and that ”king Henry died “phrase will not help either

[@justrosy2635]

So long as imperial units are used throughout the United States, from 1st grade to the Architect's desk to cooking shows, you can forget whining about "everyone should go metric." It doesn't matter if it makes logical sense; it's not going to happen, so long as Americans are taught to use imperial units in our daily personal, scholarly, and professional lives.

[@MathAndScience]

Yes I agree. However, I didn't whine that everyone should go metric. I said that metric was a vastly superior system and is used almost exclusively in science, math, and engineering - which is true. I'm doing my part to show everyone how easy it is to work with and over time hopefully will be more widely adopted in the US and elsewhere.

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[@sethfrederick1336]

All of the vids can curse you