Multiply & Divide Decimals by 10, 100, and 1000

Loading...

Sign in or sign up now!
Alert icon
Upgrade to the latest Flash Player for improved playback performance. Upgrade now or more info.
25,703
Loading...
Alert icon
Sign in or sign up now!
Alert icon

Uploaded by on Jan 28, 2010

The shortcut is to simply move the decimal point as many steps as there are zeros in the power of ten. However, I also show what this shortcut for multiplying and dividing decimals is based on, using place value charts.

Category:

Education

Tags:

License:

Standard YouTube License

  • likes, 3 dislikes

Link to this comment:

Share to:

Uploader Comments (MathMammoth)

  • Wow thanks,this really helped.I'm currently studying decimals and pre algebra. do you have any algebra videos?

    

  • @plazaff Not really right now, but I will have some pre-algebra in the future, say late 2012.

  • she seams so nice are you a teacher?

  • @dancingisawesome00 Yes, I am a math teacher by profession.

  • she seems nice, and swedish.

    

  • @zoodle784 Thanks for the compliment... I'm actually Finnish.

see all

All Comments (23)

Sign In or Sign Up now to post a comment!
  • You are an awesome teacher! Thank you for this video.

  • hi, im a 5th grader and i need some help with math. Can you help me?

  • @MsMadame I agree!

  • thankssssss(: she seems nice,and great!

Loading...
Alert icon
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more