More percentage tricks here kzbin.info/www/bejne/eJLLe3qtor1qaZIsi=-L_boaMvGp5scFMI
@Lifesaver77412 жыл бұрын
It’s a always a good day when my math dealer uploads
@randomnessltd Жыл бұрын
Very informative. Very basic, I like that. Back in school, we had this whole thing where we would break down a larger percentage into smaller parts, then add them together. But that's the opposite of the common phrase "work smarter, not harder". Math, just like many other aspects of life, can be broken down, but not necessarily always into the smallest bits possible.
@TandemKnights Жыл бұрын
I wish I had a math teacher like you when I was in school, amazing stuff!
@hemachandravadlakonda46662 жыл бұрын
Love how you show the quicker methods unlike most teachers, who expects us to use the longest methods
@BD-xz6te2 жыл бұрын
I learn something useful every time I watch one of your videos. Math always came relatively easy to me but I despised the way it was taught in school. There was always this attitude that there was just one way to solve any particular problem and that always seemed to be the most convoluted overly complicated way imaginable. Math teacher. "Oh, you need to get to the second floor? You need to start digging a tunnel north, then collect the material you need to make clay. Build a kiln and make bricks. Then you use the bricks to build a temple. Draw people to your temple and create a religion. Form a society around your new religion and build a city. Once there are enough people and enough of an economy for people to specialize start mining metal. Proceed along the technological progression until you develop faster than light travel, then come in from outside the plane of ecliptic and land on the 2nd floor." I exaggerate but not nearly as much as you might think. My "Why not just walk up the stairs?" questions were never well received. I'm always happy for someone to point out another set of stairs (or an escalator).
@Dontcopit2 жыл бұрын
Hi mate, I am teaching my child, math, from the Trachtenberg System via Speed Math for Kids 2. In fact I was teaching some of my oppos in the Australian Military, the same back when I could see. See one, Do One, Teach One. Having said that, Ive been watching your videos for some time, and they're wonderful. I am making Playlists for my daughter so that she can watch them in her own time. I however am Disabled, and since my last spinal fusion I have become blind in one eye, and photosensitive, hence where once my problem was needing a 1 inch wide pen, hence my University Math I had to do on Whiteboards (well my last exam anyway), now however, I have to live in Dark Mode, hence Ive had to buy professional UV lights and I am reduced to using the same solution on a black glass whiteboard, still waiting for the second. Its taken me 5 years to get to the point where I have my system in Darkmode, and not everything I can see. So was wondering if you might consider doing your videos in blackboard style again, black background, bright colours. Would help me, help her, better. Thank you if you see this, I appreciate all of these videos. I used to be able to deploy a KZbin invert colours plugin, but its gone now. I cant look at them for any more than a few seconds or without sunglasses which never helps much, its kinda like staring at the sun. Anyway, if you could, Id appreciate it. I dont want to stuff up your work flow so I get it if you cannot. Cheers
@valentinomollard12543 ай бұрын
You are simply amazing.
@Whatdoyouwantfromme25511 ай бұрын
You help me so much in my upcoming tests and for my SATs. Thank you so much for everything you do!
@fulyadincer549212 күн бұрын
You are great! I always thought I could never do these in my head but here I am doing it and it feels natural 🙌
@nancymoore80262 жыл бұрын
Thank you so much!!! THIS IS SO FUN!! Have a great day!
@garynelles2 жыл бұрын
This is how I did it in elementary school. It was so fast I was always accused of using a calculator on tests or cheating on tests (even by the teacher). When I taught the teacher what I was doing she couldn’t believe it was so simple!
@tecmath2 жыл бұрын
That's awesome. I love it when my students track me stuff (all the time!).
@sxlar240hz2 жыл бұрын
@@tecmath LOVE YOUR VIDEOS,keep up the work!!!!!😀😁🤣
@serenewaves26712 жыл бұрын
Your voice is so soothing to ear, and your explanations are superb. Your voice makes it so easy to understand the concept. Your channel is the best.
@ThePiMan09032 жыл бұрын
I'm glad I found your channel sir! Your explanations are very clean and clear. Thank you so much!
@ThePiMan09032 жыл бұрын
@@SuperYoonHo Thanks! I'm also just out here learning and improving more on math as well as looking for ways on how I can teach math better.
@SuperYoonHo2 жыл бұрын
@@ThePiMan0903 👍👍👍Good work
@stansmith74452 жыл бұрын
Clean? Well where are the dirty ones? 😏
@patricia14682 жыл бұрын
I love it! Thank you!
@olspanner2 жыл бұрын
Me too!
@tecmath2 жыл бұрын
Thanks :)
@veltedingel2 жыл бұрын
Thank you so much! Incredible video and super intuitive
@accolad Жыл бұрын
Love the ease of how you teach .
@mexico49152 жыл бұрын
Just another great video i love it its beautiful move Thank you so much sir.
@LudwigSpiegel2 жыл бұрын
Thanks for sharing!
@najlaamh31762 жыл бұрын
Thanks for making math enjoyable
@testopatia1062 жыл бұрын
Just a great way to start my day thank you.
@pglove2 жыл бұрын
For the 3rd one it’s the same as 90% of 9. Double & Halve. 9x9, move the decimal. Great video! I think you’re like a coach, give us the tools to exercise our minds. How about some side videos with extra practice questions to accompany the main ones?
@jaredgarcia85642 жыл бұрын
I used basically all of his methods when I solved them but I like yours for the 45% of 18. It's clever in a way I wouldn't have thought of
@Ms_Rhind2 жыл бұрын
Thank you. I initially became confused when he explained that part. It is much easier to work out 90 percent of 9 than 5 percent of 18.
@Ms_Rhind2 жыл бұрын
I understand what he means now. Instead of working out 5 percent of 18. It is easier to double the percentage to 10 percent and halve the 18 to 9 to get the same answer of 0.9 to then subtract 9 from 0.9 to equal 8.1. Your way is still easier and more efficient though.
@pglove2 жыл бұрын
@@Ms_Rhind percentage calculations become much simpler when you realize it’s just multiplication and moving decimal points. I find 4.5 x 18 easier than 45 x 18. Not sure why.
@sawyerdave1 Жыл бұрын
Loving these videos, you do sound so happy throughout 😊
@ghoulbuster12 жыл бұрын
It works! Amazing!
@thatguygeo2492 жыл бұрын
Great method, thank you for sharing.
@jrsuk11702 жыл бұрын
I broke it down to 10% then x 6. Your way is easier for me 👍
@kaylacastroo537623 күн бұрын
josh you're so awesome ily
@cookiescream23442 жыл бұрын
Omg thank you soooo much I’m actually horrible at percentages but now I’ve got it Think I can pass my next maths test now 👍
@lewismorris3348 Жыл бұрын
Love you man thanks
@TigbemilekeOjo Жыл бұрын
Thank you so much for making this!
@abhiramms2489 Жыл бұрын
I love this one Seriously thank you sir!!
@Chantel-n3p5 күн бұрын
Love it all!!! If you are opened I need a maths tutor
@byeukanlos84702 жыл бұрын
Really good method!
@julians90702 жыл бұрын
Happy New Year Josh. All the best for 2023 and I am always delighted to relearn maths tricks. Another year into maths appreciation.
@brigitteleafbarnes14412 жыл бұрын
Love 😍 it!
@Madlands692 жыл бұрын
Beautiful little trick there mate
@tecmath2 жыл бұрын
Thanks.
@solasolasare Жыл бұрын
Thanks for a new method!
@sadiegrater11 ай бұрын
Great channel! It would be awesome to have a quick screenshot of more practice questions at the end :)
@MyrddnWllt Жыл бұрын
Thank you 🙏
@dheerajsah4080 Жыл бұрын
It was quite good, thanks
@Rxsaluv Жыл бұрын
Omg that was so helpful thanks
@Princessdalya-vn8rm9 ай бұрын
Thank you so much sir, for your help
@friend7572 жыл бұрын
Love it.
@_Alice_3666 ай бұрын
Thank you very much
@Jono. Жыл бұрын
This was neat. I’ve always wanted to know more tricks for percentages and I have completed past differential equations and work as an engineer lol
@Calin0uchka2 жыл бұрын
Great video :).
@peachdarvall20902 жыл бұрын
Hi, my daughter loves your clips, thanks so much. Right now she is struggling with Index Law and Logarithms in year 10 maths. We live in Lismore and these classes were disrupted by the flooding. Unfortunately her teacher refuses to listen to the classes repeatedly requests for this info. Would you be willing to post videos teaching this? Please?!
@jomyfrancis99273 ай бұрын
thank you bro i solved t in like 5 seconds gonna help me in my sats
@j.robertsergertson45132 жыл бұрын
Now you gave away my stun the cashier trick .
@tecmath2 жыл бұрын
Shhh. I only told you guys...
@timmmystar2 жыл бұрын
Bloody legend!
@gallium12 жыл бұрын
OMG TYSM!
@marcyking4612 жыл бұрын
I set my equations up a bit differently, using cross multiplication to achieve my answers. For example in the case of 30% of 61. I set my equation up to read 1/30 is proportional to 61/100, then I cross multiply and divide to obtain my final answer. Thus, (30 x 61) /100 = 1830/100 = 18.3.
@titusonaga-sb3uw Жыл бұрын
Thank you so much, I understand your explanation well than his.
@titusonaga-sb3uw Жыл бұрын
I love your teaching, u are the best teacher.
@JonDingle2 жыл бұрын
Brilliantly easy. They didn't teach this kind of maths at my school when l was a kid.
@tecmath2 жыл бұрын
Nor me. We were taught to mindlessly follow a formula.
@johnmoser26892 жыл бұрын
Great math tricks
@ramanarlv Жыл бұрын
I love it !!, I love you , Everything is beautiful
@crazebamm2 жыл бұрын
"Is that how you did it" NO lmao im so dumb. I love your videos man. Keep it up!!
@Fret-knot2 жыл бұрын
Everything is beautiful
@peterstrafer33292 жыл бұрын
Did it the way you originally showed!
@jazzbuilder2 жыл бұрын
This guy is the legit oversimplified for mathematics
@Константинос-х1у2 жыл бұрын
Oh wow, I was doing this intuitively, the first example you showed I did it exactly like that.. But it didn't take me 5s, more like 30 lol😅
@SendFoodz2 жыл бұрын
this is honestly game changing!!
@helloworld11115 Жыл бұрын
NICE
@RithwikVadul Жыл бұрын
I do like this already
@plonjart2 жыл бұрын
the way i did it was by doing 3 x 6.1, 9 x 81, and 4.5 x 1.8 respectively
@ajsaddler45723 күн бұрын
Love ya
@kacpergierycz6773 ай бұрын
It's cool
@yiliu64623 ай бұрын
You teach better than my mom 😂
@WahrheitMachtFrei.2 жыл бұрын
I wish you'd taught me maths at school, I wouldn't be bad at it and scared of it.
@tecmath2 жыл бұрын
Thanks.
@Memorablechannel Жыл бұрын
Plz bring something on log ,antilog🙏🙏🙏🙏
@Lloyd1885 Жыл бұрын
I did it using your example, 50% of 61 = 30.5 10% 0f 61 = 6.1 added together comes to 36.6...double the amount, which is obviously wrong, but why?
@oliviazeiden8463 Жыл бұрын
When you add the 50% and 10% calculations together you end up with 60% of 61 instead of 30% of 61
@jonathanrobinson732 жыл бұрын
ok ...i love you 🤣
@mnageh-bo1mm2 жыл бұрын
wow, for the first time in my life i understand maths 😭😭😭😭
@athirap-sr7ut Жыл бұрын
👏🏻👏🏻
@smoath2 жыл бұрын
👍🏻
@basilkhouli5670 Жыл бұрын
I would have done 6x4= 24; 6x2=12 Carry the 1: 25.2% Same works for say 7% of 212: 7x2 = 14; 7x1 = 7; 7x2 = 14 (carry the one again) You get 14.84%
@honey-wn5vt Жыл бұрын
what i do is to find 60% of 42 i put a decimal point so i do 4.2 x6= 25.2
@321afyr Жыл бұрын
where was this when I suffered in middle school
@Meliitak10 ай бұрын
No matter what the procetage is, I always divide the number on a 100 pieces then multiply with a given procentage
@johnathanwilko29222 жыл бұрын
9 divided by 10 = 0.9. Yes. But how does that equal 5%??? 10% of 18 = 1.8% and half that to get your 5% of 0.9
@monkeypawism2 жыл бұрын
I've been trying to figure this out too?
@tecmath2 жыл бұрын
You're last sentence is correct and an equally valid way of working out 5%. 50% of 18 is 9, so 5% is 1/10th of this... 0 9
When I was in school I would actually do these type of shortcuts but even though I would get the right answer my math teacher would reprimand me for not doing it properly or showing the work.... Consequently, I lost interest in math in math class because there was no way to be creative. I ended up regarding math as Orthodox, routine and full of drudgery.
@rorigillmore1412 жыл бұрын
ay i accually got those 3 the same way he did. im genius
@DragonUdo9 ай бұрын
I got the first 2 Right did the second one differently than you, did the third one differently than you and got it wrong by a little bit. I got 7.9 I realize now that when I broke it in to 25% and 20% that my calculation per 20% was just wrong is all. Oops lol
@In2oil2 Жыл бұрын
I did but a little differently.. I multiplied 6x 4= 24. and the .2x6= 12. so 24+1.2. 25.2
@DougieL2 жыл бұрын
I was always told I was bad at maths. Perhaps my teachers should have beenn told that they were bad at teaching maths...? (After the first example I did all 3, the same way as you then did...)
@Cube88102 жыл бұрын
Or you can times 60times40 that is 240 6 times 2 equals 12 240 plus 12 252 dived by 100 25.2
@krunoslavregvar4772 жыл бұрын
25.2
@AliG.G Жыл бұрын
90% of 860 I did it by cancelling 2x0s and 9x86 = 774
@softbrewed Жыл бұрын
the 5% is still so confusing to me for some reason
@Islamic_suzy1232 ай бұрын
you could just divide by 2 to find 5%
@Bozemanjustin2 жыл бұрын
For 90% I still found it easier to just take 10% and multiply by 9
@gb92762 жыл бұрын
For 90%, I find it easier to subtract 10% from 100%. God bless!
@tecmath2 жыл бұрын
Thanks. Thank you for sharing.
@ricos14972 жыл бұрын
You found 86 x 9 easier than 860 - 86? Funny how the brain works.
@Reachermordacai2 жыл бұрын
I did number 2 like 50% and 10% x 4 :S
@alexnutcasio9362 жыл бұрын
Too many steps, you can do it in your head in less than 5 seconds….
@dskywalker33972 жыл бұрын
Always use BASE 10!
@alexnutcasio9362 жыл бұрын
Don’t need base 10 here….
@Chadmurdock6114 Жыл бұрын
18.7% 344% 8.1%
@charleslennon12 жыл бұрын
H.S.!
@NubiefromAustralia2 жыл бұрын
Are you british???
@logann0012 жыл бұрын
Sounds Australian
@suzanneedmonds15662 жыл бұрын
He is Australian.
@ghoulbuster12 жыл бұрын
He is martian
@tecmath2 жыл бұрын
I'm from West New Zealand (aka Australia)
@suzanneedmonds15662 жыл бұрын
@@tecmath Kiwi did briefly cross my mind but no Kiwi twang...as an Aussie living in the US 99% of the time people think I am British. Interestingly though, anyone I have met here who is British folk think they are Aussie. When students try to mimic my accent they never, ever sound Australian but more British. It took me some time to realize they weren't making fun of me but that is what they hear when I talk.
@MrWarlech2 жыл бұрын
I have a method to My method it's nama BRUVpercent Example 20% of 79 20%X79\100 =158\100= 15,8 PROOF 15,8×5= 79 The formula Is Percent×the number:100
@MrWarlech2 жыл бұрын
Love from indonesia
@kfjfkeofitorhf9520 Жыл бұрын
79×80=63,2 79-63,5=15,8
@tonyflamingos54289 ай бұрын
This made me very confused you should try to explain better in the next video
@gnarkilleptic4871 Жыл бұрын
I hate math so much
@jopflah4162 жыл бұрын
6 times 4.2 is quicker and easier.
@JG-tx7mt2 жыл бұрын
Do you always multiply the 1st two numbers no matter how high the number? Ex. 2473 would you multiply by 2.4?
@heardukey2 жыл бұрын
@@JG-tx7mt that’s a whole another number my guy, keep all the numbers
@Doktor472 жыл бұрын
@@JG-tx7mt No.. assuming you're looking for lots of 10%, you'd multiply by 247.3
@jamesrichardson-king93592 жыл бұрын
Jopflah No it isn’t quicker 🙄
@jamesrichardson-king93592 жыл бұрын
It must really annoy you with all these twits trying to better you👍