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Postulates and Theorems

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About this Lesson

  • Type: Video Tutorial
  • Length: 14:58
  • Media: Video/mp4
  • Use: Watch Online & Download
  • Access Period: Unrestricted
  • Download: MP4 (iPod compatible)
  • Size: 145 MB
  • Posted: 07/23/2010

This lesson is part of the following series:

Basic Beginning Algebra and Geometry Series (30 lessons, $24.75)
Geometry Made Easier (19 lessons, $12.87)

Even the words sound intimidating! What are Postulates and Theorems anyway? They've been around for a long time and contain all the "rules" of Geometry. This video explains the difference between Postulates and Theorems in a way that is not as strange as they sound.

Once you know your Postulates, Theorems, and definitions, there is nothing in Geometry that you cannot do. Isn't that a good feeling?

About this Author

Sandra Wilkes
Sandra Wilkes
27 lessons
Joined:
07/06/2010

Welcome! I'm so glad you are here! Math help is here for you.

I believe that using these Algebra and Geometry videos will help you understand math.

Some students try very hard and still struggle to pass math. They start off strong but things suddenly begin to fall apart. That happens as soon as the student becomes lost. Teenagers who find themselves in this position often let it "get away from them" before they seek help. Because Algebra is a class of stepping stones, it rarely gets better without help.

I urge you to seek help from your child's teacher first. Always. These Algebra and Geometry videos can help too. You can watch the topic you need over and over. Repetition is...

More..

Recent Reviews

Nopic_orng
Postulates and Theorems
09/23/2011
~ milly91

Thanks for explaining. I still hate it but I can do it much better now.

Nopic_orng
Postulates and Theorems
09/23/2011
~ milly91

Thanks for explaining. I still hate it but I can do it much better now.

Lesson Outlines:

I. Postulates: Don't have to prove. Yay!
A. Two points determine a line.
B. Three non-collinear points determine a plane.

II. Theorems: Must be proven.

II. Definitions
A. Collinear Points
B. Non-Collinear Points
C. Line Segment
D. Ray

III.Notation
A. Line
B. Line Segment
C. Ray

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