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Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Identity Property of 0
This video explains the identity property of zero by substituting values into an expression. Practice problems are available. [4:46]
Virtual Nerd
Virtual Nerd: What Is the Identity Property of Matrix Addition?
This tutorial introduces the Identity Property of Matrix Addition which tells what happens when a zero matrix is added to another matrix. [5:50]
Khan Academy
Khan Academy: Arithmetic Properties: Identity Property of 0
This video explains the identity property of zero by substituting values into an expression.
Imagine Learning Classroom
Learn Zillion: Write Equivalent Expressions Using Properties of Zero and One
In this video, you will learn how to write equivalent expressions by using the Additive Identity Property of Zero and the Multiplicative Identity Property of 1. [4:53]
Art of Problem Solving
Art of Problem Solving: What's a Reciprocal?
Video tutorial uses examples to reinforce understanding of how to find a reciprocal. [7:12]