Basic Math: Lesson 4 - Properties of Numbers
Properties discussed: Reflexive Property of Equality,Symmetric Property of Equality, Transitive Property of Equality,Substitution Property, Additive Property of Equality, Cancellation Law of Addition,...
View ArticleProperties of Real Numbers - Yay Math
Description of the types of Real numbers -- Natural, Whole, Integer, Rational, and Irrational. White board in a class setting, some interaction, engaging. The discussion is clear and understandable....
View ArticleNumber Sets, Part 1 of 3
Using the question 'What number sets does the number 8 belong to?', the Mr. Khan explains the categories that numbers can belong to. Mr. Khan uses the Paint Program (with different colors) to...
View ArticleNumber Sets, Part 2 of 3
Using the question 'What number sets does the number 3.4028 (with the 28 at the end of the number repeating forever) belong to?', Mr. Khan explains the categories that numbers can belong to. Mr. Khan...
View ArticleNumber Sets, Part 3 of 3
Using the question 'If x is a whole number, what other sets does x belong to?'. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009...
View ArticleHow to Find the Square Root
In this 3:37 long video the narrator explains how to deal with square roots. To simplify a square root, you can use the branching tree, or you can find a square root multiply it by a square root to get...
View ArticleWhat Are the Different Types of Numbers?
This video tells what the following types of numbers are: natural numbers, whole numbers, integers, rational numbers, and real numbers. It also discusses how each of these groups of numbers builds upon...
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