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Intro to multiplication | Multiplication and division | Arithmetic | Khan Academy

admin by admin
June 15, 2020
in Tổng Hợp
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Intro to multiplication | Multiplication and division | Arithmetic | Khan Academy



Use arrays and repeated addition to visualize multiplication.

Watch the next lesson:

Missed the previous lesson?

Arithmetic on Khan Academy: So you’re ready to have some arithmetic fun? You’ve come to the right spot! It’s the first “official” math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We’ll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don’t stop there. We’ll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started?

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We’ve also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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Comments 21

  1. Susanne McCallum says:
    3 years ago

    THIS is so good

    Reply
  2. Adrian Addario says:
    3 years ago

    hola
    aaddadsfer gegergterggggggggggggggggcdewtr

    Reply
  3. Kenneth Dixon says:
    3 years ago

    Really good

    Reply
  4. Tyeson Playz says:
    3 years ago

    I’m watching this for online school

    Reply
  5. Edward Freire says:
    3 years ago

    I already know my Multiplication and I'm in 3rd grade

    Reply
  6. Paola Gomez says:
    3 years ago

    Can you learn multiplication because I’m in school and basically now that we are on let’s go help me get better

    Reply
  7. Claire Robinson says:
    3 years ago

    First

    Reply
  8. Danny Toalombo says:
    3 years ago

    or

    Reply
  9. The bulldog lover Mia Paki with rocky the bulldog says:
    3 years ago

    I love this😄

    Reply
  10. Michael Knowles says:
    3 years ago

    I LIKE IT FOR MY SON

    Reply
  11. LautiArtYT says:
    3 years ago

    Does Anybody know how to rounding numbers it its easy it just when you see there a number high than 5 (Example) 371+832 /800/400 so 800+400=1200 if im incorrect coment

    Reply
  12. LautiArtYT says:
    3 years ago

    9×9=9+9+9+9+9+9+9+9+9=81
    Coment down below if im right

    Reply
  13. LautiArtYT says:
    3 years ago

    5×3=15
    6×3=18
    7×3=21
    8×3=24
    9×3=27
    10×3=30
    11×3=33
    12×3=36

    Reply
  14. Admiral Yi sun-shin says:
    3 years ago

    three

    Reply
  15. Angelisa Craig says:
    3 years ago

    I think I might teach my little sister with this. She has trouble with math, and if I have a base like this to go off of, I can play it for her and when she's confused about something I can pause it and explain in-person. Thanks Khan Academy!

    Reply
  16. killer whale 101 says:
    3 years ago

    So good

    Reply
  17. Saniah Staton says:
    3 years ago

    good💖💖💖😘

    Reply
  18. cdc71792 says:
    3 years ago

    so whatd you do to get the views? i see consistently 1-4000 views on your videos but these all of a sudden have a couple hundred thousand? hmm

    Reply
  19. Rose says:
    3 years ago

    This is one of the better ones for young children from Khan Academy. Well presented visually.

    Reply
  20. zokmonky says:
    3 years ago

    I LOVE this!  My son is getting ready to start 2nd grade.  I wanted to introduce him to multiplication before school because he is ready.  I have watched many videos from this teacher in Anatomy and Physiology and LOVED him.  Just like always, these concepts are displayed visually and clearly so that my son can understand.  Love the challenge at the end too.  I wouldn't change a thing!  Thank you so much! 

    Reply
  21. GSC Ed Tech says:
    3 years ago

    My 3rd grade son would never be able to keep up with the speed of the narration delivered here. Keep in mind that the sole reason why a child would be watching this would be because he/she DOES NOT GET IT. Please speak more slowly. Thumbs down!

    Reply

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