Math Expressions calls them Math Mountains, other programs call them Number Bonds, or part-part-whole. I wanted to create a poster that would help kids see that they are all basically the same, just a different name.
Included are black and white and color versions. You can print them 4 to a page for students to put in their math journals to refer to anytime. Or blow them up to create a colorful anchor chart poster to hang in your classroom.
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