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### Course: Class 4>Unit 3

Lesson 4: Multi digit division (no remainders)

# Introduction to dividing by 2-digits

Learn the art of dividing by two-digit numbers. Watch how to approximate numbers for easier division and practice this skill with examples. The video emphasizes the importance of trial and error in learning multi-digit division.

## Want to join the conversation?

• definition of MATH,
Mental
Abuse
To
Humans.
-PS Sorry,
MATH lovers
• you a right
• Why is so hard but easy at the same time?
• It gets pretty easy once you understand. It's like playing an instrument, or practicing martial arts.
• For me, it's kinda hard to divide multi-digit numbers. Anyone else?😟
• I commented on this two years ago and I said that this was hard. Well, now I can do this really easily! This just shows with pratice, things become easier!
• did he round that right?
• Yep, 186 is closer to 30*6 than any other multiple of 30. Next closest would be 30 * 7, which is 24 away instead of 6 away.
• i don't understand
• Hello !
The goal of the video is to divide 186 by 31.
As Sal says at , it's easiest to do this division to round 31 to 30.
We therefore end up with the calculation 186/30.
It came down to wondering how many times I can put 30 into 186.
I can put it 6 times (since 30*6 = 180)
I deduce that 186 /30 =6, remainder 6
I verify that the result of 186/31 is also 6:
31*6=186, it works!
I hope I helped you!
• Why does it say "At Sal says plus three but meant to say plus five."
• It's a correction on the website
• Why must we find numbers that are close to but not exact? I'm sure it's just my ignorance, but I think this is an error in human knowledge that we have accepted as an axiom because it works. The "if it fits it ships" model.
• Bonjour!
La question est interessante, mais juste une précision: Il ne s'agit pas de trouver une réponse approximative. La méthode consiste juste à utiliser des arrondis pour faciliter le calcul, mais le résultat final, lui, est exact, et peut être vérifié.
J'espère que j'ai un peu eclaircit ce qu'est cette méthode!
• I dont understand remainders