The Real Number System // Lesson 1-8 [Glencoe Texas Algebra I]

When human beings run into mathematical barriers, we invent new kinds of numbers to help solve the new kinds of problems. This lesson covers all the kinds of numbers we needed through about 1500. This is a screencast of the content and examples from the Glencoe Texas Algebra 1 book, lesson 1-8.

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0:00 - And so it begins
1:34 - Building up from the Naturals
3:43 - The Integers
6:04 - The Rationals
11:48 - The Irrationals
17:57 - Example 1
22:10 - Example 2
27:55 - Example 3
30:31 - Example 5
34:34 - Example 6