1.3 Rules for Multiplication (Basic Mathematics)

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  • เผยแพร่เมื่อ 18 พ.ย. 2024

ความคิดเห็น • 79

  • @jg394
    @jg394  6 ปีที่แล้ว +23

    So I seemed to have messed up today's video, and it took FOREVER for Final Cut Pro X to process an upload this video. Sorry guys.

    • @johnboy14
      @johnboy14 6 ปีที่แล้ว +7

      For exercise 1, why do you expand 24a into (6×8)? Why not (2×12) or (2×2×2×3)=24. Where is the 48 coming from?

    • @AJ_CricketCorner
      @AJ_CricketCorner ปีที่แล้ว

      From where to home question I didn't find

    • @AJ_CricketCorner
      @AJ_CricketCorner ปีที่แล้ว

      From where to find home work question i didn't find

  • @Joseph-yl6rc
    @Joseph-yl6rc 4 ปีที่แล้ว +54

    I can't believe you have taken the time to create this playlist. Honestly unbelievable. I truly feel if you gave a high school student this book and this playlist so many people would elevate their math scores and general enthusiasm for the subject. Thank you!

    • @jg394
      @jg394  4 ปีที่แล้ว +15

      That's my hope. I think too often math is taught too quickly, and people that would otherwise be perfectly capable are left behind. I think if you give your brain enough time to process the ideas, it will eventually get it.

  • @Marigoldenn
    @Marigoldenn 3 ปีที่แล้ว +28

    You're right, "no one is teaching this course." And as a 25 year old who is just now appreciating the value of mathematics I'm so glad you made it. Thank you so much. I've learned more from you than I ever did back in school, and for free too. I hope I can pay your gift forward somehow, someday. Maybe I'll buy you some more paper, haha! :p

  • @martinschultz6594
    @martinschultz6594 ปีที่แล้ว +9

    Anonymous.
    I'm a guy escaping the regime.... Need to pass SAT real quick. Your list is the best so far I could have found on the web.
    I highly appreciate your effort !

  • @kal5211
    @kal5211 6 ปีที่แล้ว +19

    Thanks for taking some time to do this! I am finally getting back into mathematics and need to 'fix' my foundations in a more rigorous context.

    • @jg394
      @jg394  4 ปีที่แล้ว +2

      No prob, it was a joy and I was teaching my kids at the time too so it wasn't a big deal.

  • @toshibakun
    @toshibakun 7 หลายเดือนก่อน +1

    for the second problem, I was shocked cuz I solved it differently without stopping using distributivity until I realized that I was passing through a complicated way while u solved it simply in no time
    u are the best teacher ^w^
    keep going

  • @imjustagirl_1234-q8b
    @imjustagirl_1234-q8b 4 หลายเดือนก่อน +1

    thank u for posting this! you deserve way more views

  • @MiguelHernandez-mh9bu
    @MiguelHernandez-mh9bu 11 หลายเดือนก่อน +7

    Heeeey, I don't know if you still check this out, but I don't understand why in 27:04 you decompose the 24 into 6*8 for the homework.
    )(Thanks for this amazing playlist, btw. It's an outstanding work.)

    • @Nucrickeyy14
      @Nucrickeyy14 4 หลายเดือนก่อน +1

      Same bro, I couldn't understand either

    • @Dafduu
      @Dafduu หลายเดือนก่อน +1

      just a mistake,
      everyone mistakes.

    • @gudretro35
      @gudretro35 26 วันที่ผ่านมา

      I think it's a mistake, the factorization should be 2^3 * 3

  • @AnaJulia-tc2er
    @AnaJulia-tc2er 2 ปีที่แล้ว +2

    I'm loving this playlist, thank you so much.

  • @nurfatmayusuf
    @nurfatmayusuf 25 วันที่ผ่านมา

    Thank you sooooo much for your efforts! I have never put my hands on such material.

  • @ailin9299
    @ailin9299 4 ปีที่แล้ว +6

    THANK YOU VERY MUCH! YOUR VIDEOS ARE REALLY HELPFUL FOR REVIEWING!!

    • @jg394
      @jg394  4 ปีที่แล้ว

      You're welcome. I appreciate the kind words!

  • @mohyaldeenmadebo9932
    @mohyaldeenmadebo9932 8 หลายเดือนก่อน

    I've been suffering to understanding math basics for a long time but now i can see the light from the darkness ❤ thanks a lot for your extremely generosity 🙏

  • @misha4392
    @misha4392 10 หลายเดือนก่อน

    Thank you so much for this playlist.

  • @hani2508
    @hani2508 3 ปีที่แล้ว +1

    Thank you for making this play list video👍

  • @luisfaos
    @luisfaos 4 หลายเดือนก่อน

    Hey, man! You're probably not gonna read this, but I need to say thank u so much! I'm from Brazil and I'm totally into this playlist. It's helping me with math and my English too Ur the best!

  • @neropanda2646
    @neropanda2646 2 ปีที่แล้ว +1

    Thank you so much for explaining all this in your playlist, and even organizing it. I will comment again on the last video of the playlist (when I get there) thanking you again.

  • @faa923
    @faa923 ปีที่แล้ว

    Distiby and commuby are really important topics. Thanks!

  • @abudawood9594
    @abudawood9594 2 ปีที่แล้ว

    I see your videos from Chile, thanks for making this world a better place, greetings from Chile

  • @LiangliangChen-c9l
    @LiangliangChen-c9l ปีที่แล้ว +1

    Thank you for your video, at 27:19, it is 24, but you write 2*3*2(3rd power)

  • @oliveoil5476
    @oliveoil5476 ปีที่แล้ว +4

    27:50
    I think here you forgot about one (a) the one after 24, and also 24 is 3.8 not 6.8, so it has to be
    2³ 3³ a¹⁸ b⁹
    Right:)?

    • @ChristopherFelicitas
      @ChristopherFelicitas ปีที่แล้ว +3

      I got confused by that also, he just forgot i think.

  • @Manpreetkaur-mg5rp
    @Manpreetkaur-mg5rp 2 ปีที่แล้ว

    I'm actually from India and this video is helping me a lot. just want to let you know how far you are helping...

  • @yazdanelysium
    @yazdanelysium ปีที่แล้ว +2

    27:02 mistake there buddy....24 is 3.8 or 4.6..6.8 is 48 not 24..nice work though

  • @irabakri2662
    @irabakri2662 3 ปีที่แล้ว +4

    Sir, for exercise number 1 minute 27, i don't understand 24 is 6.8. isn't it 3.8 or 6.4? thank you

    • @vagnercastro8668
      @vagnercastro8668 2 ปีที่แล้ว +1

      YES! Glad you pointed it. I noticed it as well. Thx

  • @Sara-gw5hv
    @Sara-gw5hv ปีที่แล้ว +1

    Finally know what (a+b)²= a²+2ab+b²😂😂

  • @rosilaneabreu8232
    @rosilaneabreu8232 ปีที่แล้ว

    It's so funny when he laughs 😂😂😂

  • @adilaitbaev5456
    @adilaitbaev5456 ปีที่แล้ว

    finished!

  • @sizuchun.4u
    @sizuchun.4u 8 หลายเดือนก่อน

    Would any of these lessons be useful in coding?

  • @rohitshukla8010
    @rohitshukla8010 8 หลายเดือนก่อน

    exhausted till the end

  • @tro2
    @tro2 ปีที่แล้ว +1

    9:48 I don't understand we factorize a but not b

  • @fallat2.405
    @fallat2.405 ปีที่แล้ว

    Watching your videos to learn English

  • @warrioreteleine
    @warrioreteleine 4 ปีที่แล้ว

    Sir, can you please explain why we can do opposites just like in the number 8?

  • @countrymarvel
    @countrymarvel 9 หลายเดือนก่อน

    Good

  • @AJ_CricketCorner
    @AJ_CricketCorner ปีที่แล้ว

    Hello guys... From where to find out home work question

  • @acex222
    @acex222 4 ปีที่แล้ว +2

    I'm still not sure I get how (-1)(-1) maps to -(ab)...

    • @orbotlives9663
      @orbotlives9663 4 ปีที่แล้ว

      (-1) × (-1) = (-a) × (-b) = -ab = -(ab)

    • @ziaahmad8738
      @ziaahmad8738 3 หลายเดือนก่อน

      3 years later, i am struggling to understand the same thing.

  • @thiagogregory1
    @thiagogregory1 4 ปีที่แล้ว

    Can N8 be (-a) (-b) ?

  • @Grian_report
    @Grian_report 2 หลายเดือนก่อน

    Yeah, the mic is better

  • @sjsnssnxjxuwuwubrowowo1546
    @sjsnssnxjxuwuwubrowowo1546 2 ปีที่แล้ว

    27:06 i don't know who wrong me or you but 8•6=2•3•2 to the 3 right? But it = 48
    But that is 24a how ???

    • @jg394
      @jg394  2 ปีที่แล้ว

      2*3*2*2*2 = 48

  • @ZohaibJarwar
    @ZohaibJarwar 4 ปีที่แล้ว +6

    sir I want to ask a question
    27:00 at this stage you wrote 6•8 from 24
    I don't understand why?

    • @jg394
      @jg394  4 ปีที่แล้ว +11

      Because I made a mistake. 6*8 is 48 Good catch. You should always be looking for mistakes in lectures because they happen quite often with even the best lecturers.

    • @ZohaibJarwar
      @ZohaibJarwar 4 ปีที่แล้ว +3

      @@jg394 Thank you sir.
      Your videos are like God gifted for me.
      I found this playlist yesterday when I wrote on search "how to learn basics of maths", and now I'm following lectures one by one.

    • @jg394
      @jg394  4 ปีที่แล้ว +1

      @@ZohaibJarwar Take them one at a time. Get the textbook if you can to try and work out the problems. Join me on discord at discord.gg/tybmaY

    • @esmayavuz863
      @esmayavuz863 4 ปีที่แล้ว +2

      Also why its not 2.2.2.3.a? Shouldn't it be a^18?

    • @yudidf1246
      @yudidf1246 2 ปีที่แล้ว

      @@jg394 you almost make me cry sir🤣
      By the way thanks for the explanation sir👍

  • @Valentina_Rae
    @Valentina_Rae 7 หลายเดือนก่อน

    How to solve this?
    - (a+b+c) = -a+ (-b) +(-c)

    • @sheikhmohammadrahmatullahr4498
      @sheikhmohammadrahmatullahr4498 4 หลายเดือนก่อน

      - (a+b+c) = -a+ (-b) +(-c)
      or -a + ((-b) + (-c))
      or -a + (-(b+c))
      or -a - (b+c)
      or - (a+(b+c))
      or - (a+b+c)

  • @adilaitbaev5456
    @adilaitbaev5456 ปีที่แล้ว

    21:25

  • @prinsipatel1487
    @prinsipatel1487 ปีที่แล้ว

    Sorry sir but home work question 1 24a*(3ab²)*(a³b)⁵ ans is 2³*3³*a¹⁸*b⁹

  • @shehinshan7982
    @shehinshan7982 4 หลายเดือนก่อน

    Wooow....❤❤❤

  • @Bigglesworthicus
    @Bigglesworthicus 3 ปีที่แล้ว

    the part at 13:09 loses me every time, what is supposed to be -(ab) here and how?

  • @AliSheybani-m8b
    @AliSheybani-m8b ปีที่แล้ว

    Exercise 1 is solved wrongly. 6 times 8 is 48 not 24!

  • @petrovanina9627
    @petrovanina9627 2 ปีที่แล้ว

    11:24

  • @axmedmaxamuud9162
    @axmedmaxamuud9162 2 ปีที่แล้ว

    TEACHER WHAT [2\2\2\]

    • @tro2
      @tro2 ปีที่แล้ว

      Somali shut up

  • @Pinkpaste_rbx
    @Pinkpaste_rbx หลายเดือนก่อน

    Nah coz I'd rather watch a Indian W subtitles in English 💀

  • @tro2
    @tro2 ปีที่แล้ว +1

    20:20 i don't understand

    • @jg394
      @jg394  ปีที่แล้ว

      You have ab and ba. You can write ba as ab, so you have 2 ab.

  • @salehhussain7902
    @salehhussain7902 3 ปีที่แล้ว

    If a + b = a, then b = 0
    I couldn't prove it!

    • @IshaanSharmaRoarke
      @IshaanSharmaRoarke 3 ปีที่แล้ว +3

      Hey Saleh!
      Your question: a + b = a then b = 0
      So how do you prove that?
      You can add -a to both sides of the equation. So it becomes:
      a + b - a = a - a
      Using commutativity, the equation becomes:
      a - a + b = a - a
      Now a-a gives 0, hence proved that b = 0.
      Hope this helps.

    • @salehhussain7902
      @salehhussain7902 3 ปีที่แล้ว

      @@IshaanSharmaRoarke
      Thank you very much!