Help your students understand PEMDAS and its importance with this lesson that gives them practice with parentheses, braces, and brackets.

If your students understand PEMDAS and its role in the order of operations, GEMDAS will be a breeze. The “P” is replaced with a “G” to represent a wider range of grouping symbols.

How did westward expansion impact people living in the United States? Use this history lesson to give students an overview of the people and events involved. Then help them reflect on multiple perspectives in an informational paragraph.