What is a Ratio in Math? Understand Ratio & Proportion - [6-3-1]
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Twitter: / jasongibsonmath
In this lesson, you will learn what a ratio is and why we use ratios in math. You will also learn how to represent a ratio as a fraction and also how to write a ratio in colon notation. A ratio is a comparison between two numbers. A proportion is when two ratios are equal to one another. For example, if we have a room with 10 boys and 5 girls, we might write the ratio of boys to girls as 10:5, or as a fraction, 10/5. We can then simplify this ratio just like we simplify any fraction down to the simplest ratio, 2/1 in this case. This ratio indicates that in this room there are 2 boys for every 1 girl. We use ratios in all math subject areas to solve a wide variety of problems.
Пікірлер: 332
I like the way you teach...very detailed and I love it! I am an adult who has gone back to school, nursing school that is. I am preparing for the TEAS. I found your videos sometime last week and I am thankful!! God bless you!
@MathAndScience
Жыл бұрын
Welcome!
@faizashah1798
8 ай бұрын
Same here
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@anipaul3131
3 ай бұрын
True
I just got your app because I’m trying to study astrophysics and there’s so much math involved. I’m literally starting from 8th grade math to remember and LEARN things my middle and high school teachers failed to. Thank you so much for being great at teaching!
@MathAndScience
2 жыл бұрын
Thank you!
@alicegoodman4544
Жыл бұрын
Your math teacher did what your brain could understand. 500 +500=1000.
@athenaenergyshine7616
Жыл бұрын
I still need to make up from 1st grade
@anipaul3131
3 ай бұрын
True
You sir are the best! Thank you for the crystal clear explanations sir! You've corrected my intuition for ratios and proportions in this series.
@Mr.idontknow
2 ай бұрын
ummm
@DexterDrubo-ch4fi
2 ай бұрын
that went from wholesome to weird real quick..
@Aycore2011
2 ай бұрын
@@DexterDrubo-ch4fi I fixed it
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@MathAndScience
Жыл бұрын
You are very welcome!
@mostest
7 ай бұрын
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@diannegravesande
6 ай бұрын
I love this video so much I wouldn't even start watching this is the and this would be useful 2 years ago😢😢😢😢😢😢
@anipaul3131
3 ай бұрын
True
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@MathAndScience
Жыл бұрын
Awesome!
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Awesome explanation! Easy to understand.
@katacaicedo5760
Жыл бұрын
Definitely 😊
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@MathAndScience
3 жыл бұрын
Thank you!
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@MathAndScience
Жыл бұрын
Glad it was helpful!
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Sir. Thank you 🙏
ratio
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By easy way to understanding ❤❤
thx for helping
Thank youuuuu.i can finally understand ratio
Thanks.
Thank you for helping
@anipaul3131
3 ай бұрын
True
This was so helpful! Thank you so much ! WOW
@MathAndScience
Жыл бұрын
You are very welcome!
He’s the one, who explains the concepts, instead of makin us the same learn!
@anipaul3131
3 ай бұрын
True
This helped me so much!! I am so grateful I found your channel. Thank you!!
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@anipaul3131
3 ай бұрын
True
Thank you very much I have absolutely no ideal what ratios is. But now I do ❤❤
I learned it very easily
Ratio
@LordVader066
Жыл бұрын
Counter
Your videos are fantastic and very helpful. Please keep them coming!!!
@MathAndScience
3 жыл бұрын
Will do! Thanks!!
@carolann1727
3 жыл бұрын
I’m really relying on your teachings to help me to help my daughter. She thinks she’s allergic to math. She’s got it in her head that she can’t do it, word problems, that is. So your explanations are wonderful.
@mostest
7 ай бұрын
Yes I agree ty sosososososso much
@mostest
7 ай бұрын
I do think I have a disorder tho😂 I'm dum dum 😂😂😅
You are so good
Thanks for Understanding me I was so confused of what my teacher said to me about ratio
so are just doing smallest on the top of the fraction and biggest on the bottom or is it boys on the top and girls on the bottom?
And you are very good at this keep teaching all of us we need stuff luke this hehe...
There are also ratio problems that are given in word problem asking to give the ratio of an unknown item, giving the number for one of the items & also the total for both items.
Thank you so much sir
@anipaul3131
3 ай бұрын
True
good video
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Just what i needed
@MathAndScience
3 жыл бұрын
Yes!
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@MathAndScience
Жыл бұрын
Thank you so much!!
@LordVader066
Жыл бұрын
@@MathAndScience ratio
This has been eye opening. I wondered if you could help me out on this. I struggled between ratio and fraction. The denominator of fraction means out of or how many parts is divided into , whilst ratio is comparison. Yet they can be written the same way. Why is this and how can I tell the difference when I am looking at denominator of fraction wether is ratio or fraction if they can be written in the same way?
@anipaul3131
3 ай бұрын
True
Good evening teacher
The ratio of 3 boys to 6 girls is not a fraction. It is a part to part ratio - fractions are part to whole! We have to be careful with our language. Another thing is that we are not "simplifying" as much as we are scaling up or down. This language helps build conceptual understanding.
@godschild4621
Жыл бұрын
and you came here to say this why? many understand and are learning and that's all that matter. I didn't get math at all but he made it seem easy.
@mostest
7 ай бұрын
Oh ok I'm still getting better grades but that's still helping to know❤
very useful video
How would you know what number to simplified with?
thank you
@anipaul3131
3 ай бұрын
True
have any videos for dimensional analysis?
Hi sir please make a video of Fibonacci sequence.
U are an excellent teacher
@anipaul3131
3 ай бұрын
True
@WarrenKirkpatrick
3 ай бұрын
Wish I had him in school… would have invented my own crypto currency lol
This is a ratio
How do you get the number that you divide with 😢???
I love you, i've learnt it very easy with you
@MathAndScience
3 жыл бұрын
Awesome! Thanks!
@frankdimeglio8216
2 жыл бұрын
@@MathAndScience E=mc2 is F=ma. This NECESSARILY represents, INVOLVES, AND DESCRIBES what is possible/potential AND actual IN BALANCE, AS ELECTROMAGNETISM/ENERGY IS GRAVITY. Gravity IS ELECTROMAGNETISM/energy, AS E=MC2 IS F=MA. The Earth (A PLANET) is a MIDDLE DISTANCE form that is in BALANCED relation to the Sun AND the speed of light (c), AS the stars AND PLANETS are POINTS in the night sky; AS E=MC2 IS F=MA; AS TIME DILATION ultimately proves ON BALANCE that ELECTROMAGNETISM/energy is gravity. Indeed, TIME is NECESSARILY possible/potential AND actual IN BALANCE; AS E=MC2 IS F=MA; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. GRAVITATIONAL force/ENERGY IS proportional to (or BALANCED with/as) inertia/INERTIAL RESISTANCE, AS E=mc2 is F=ma; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. Gravity/acceleration involves BALANCED inertia/INERTIAL RESISTANCE, AS E=MC2 IS F=MA ON BALANCE; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. Accordingly, the rotation of WHAT IS THE MOON matches it's revolution. MOREOVER, a given PLANET (INCLUDING WHAT IS THE EARTH) sweeps out EQUAL AREAS in equal times consistent WITH/AS F=ma, E=mc2, AND what is perpetual motion; AS E=MC2 IS F=MA ON BALANCE; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. By Frank DiMeglio
Thanks you
@MathAndScience
Жыл бұрын
Welcome
I need more of that
@anipaul3131
3 ай бұрын
True
@anipaul3131
3 ай бұрын
True
Plz sir also make videos on science and chemistry from basic level plz sir make it
I learned my math from Jan & Dean, 'Two girls for every boy'🎶 Surf City
Math would have been my favorite subject had you been my math teacher then.
Great teacher , thank you so much for doing it i am learning so much( not quite sure about the amount of flour compared to salt😂)
@gabbyonroblox3869
2 жыл бұрын
Agree
@itsyagirlmay
Жыл бұрын
I said sugar instead🤣
@rosaliedunstan6408
9 ай бұрын
I was laughing about the amount of salt too. 😅😅😅
@mostest
7 ай бұрын
👍🏼
What do you do if u can't simplify?
@carlosoliva4804
Ай бұрын
At 3:48 he explains it😊
How do you know what to divide them by.?
This helped me alot tomorrow is my exam
Yes I understand
@LordVader066
Жыл бұрын
Understand this ratio
"Ratio is a comparison of two numbers" is the most brilliant statement I've heard in a long time. It's kind of obvious when you think about it after, but to put it in these words takes a genius. However, I object of saying the 3:6 is the same as 1:2. Following your thought, these are two separate comparisons, they may be algebraically equivalent, but when you reduce the ratio you lose original information. Which might be undesired. Reduction is just another mathematical tool that you ,ay could want to use. Or not.
@iandegnin6696
3 жыл бұрын
I think the point that's being made is that ratios are -specifically- the comparison between two numbers, not the numbers themselves. There are valid reasons to retain the information and you may choose to write your ratio with the original numbers or record the two numbers as well as the ratio, but -as far as a ratio is concerned-, 3:6 IS the same as 1:2; they're mathematically identical.
@dhanichandralimbu3837
2 жыл бұрын
I support u. 3:6 is never equal to 1:2 but they may be equivalent to each other .
OK I understand it but how did you divide 4÷2 how did you get 2
5:26 1:5.2 For every 5 inches is 26 feet For every 1 inch is 5.2 feet
1:2
The smartest person on KZread ❤️
@latishaperry1358
3 жыл бұрын
No he is not. There are other intelligent people on KZread.
@unkown9563
3 жыл бұрын
Oh tell who
@unkown9563
3 жыл бұрын
She told in teaching he is intelligent mad
@gucciashton4731
3 жыл бұрын
@@latishaperry1358 yes he most certainly is the smartest in my opinion. He teaches multiple topics on his website, some that aren't even his major, like statistics which a lot of people struggle with but he's teaching that like a professor. His IQ will be much higher than average, he is one of those achievers who are scoring 3 standard deviations above the mean. He's the 100th percentile type.
@latishaperry1358
3 жыл бұрын
@@gucciashton4731 in your opinion. It's not rational he is not the smartiedt
If anyone could help me out, it would ve much appreciated thanks :) See below: I don’t like to use calc and want to do as much as possible without it. How can I shorten these fractions? 126 / 294 & 308 / 231 Easily, because when it comes to big numbers like this, I have to spend lots of time shortening them. Its really difficult.
@annleigh_
2 жыл бұрын
same so ima just gonna go to sleep
You inspire me bro
@MathAndScience
2 жыл бұрын
This made my day. Awesome to hear!!
@LordVader066
Жыл бұрын
inspire this ratio
Sir please help me thi sum i can't understand Sudha has $5 with radha is 3 times tha money with sudha .how much money.... What is the ratio of radha and sudha's money? What is the ratio of sudha's money and radha's money?
Thank you so much. You have explained ratio so well that it becomes very much easy to deal with. I used to struggle solving ratio, but after watching your video I have a much better understanding.
@MathAndScience
2 жыл бұрын
So happy to read this!
I love brave you are.
If I have a question
2:3
Excuse me does ratio involve only 2 nos? Not 3 or 4??
what is the ratio of 29 to 21? is that correct to write 1.4:1?
@anipaul3131
3 ай бұрын
True
Is it mondatory to take a smaller number first and then larger number for comparison? Ratio of 1 million to 1 billion=10^6/10^9=1/1000 or 1:1000. Ratio of 10 feet to 20 inches= 10/20=1/2 or 1:2.
@peterverbeke1383
3 жыл бұрын
no
Thank 0:36
What if there is no common denominator to simplify the ratio?
@freedom30soon64
3 жыл бұрын
If you mean that your ratio of two numbers is in fraction form, just simplify the fractions by inverse multiplying both nominator and denominator by the denominator fraction and you will get your simplified ratio.