Raz-Plus resources organized into weekly content-based units and differentiated instruction options.
Concept (nonfiction), 43 words Grade K
The book Triangles presents examples of these shapes in the real world. By identifying triangles in this context, students will understand that attributes such as number of sides and number of angles define a shape, but other attributes such as size, color, and orientation do not. Students will learn that a triangle's defining attributes are three sides and three corners.
Math Teaching Tips
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