3rd Grade Math 1.12, Bar Models, Problem solving & drawing a diagram to add or subtract

An explanation of how we can draw a bar model as a strategy to help us solve word problems for addition or subtraction. We discuss the steps to solve a word problem by determining what we need to find, what information we need to use, and how we'll use the information to choose an operation. Understanding the use of a square or triangle to represent an unknown amount (for future understanding of variables in Algebra).

3rd Grade Math Playlist (2015)
3rd Grade Math Course

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