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Help your third-grader learn about right angle geometry with this simple geometry worksheet.

Children practice calculating the perimeter of a variety of polygons in this geometry basics worksheet.

Children practice calculating the perimeter of a variety of polygons in this geometry worksheet.

Students practice calculating the perimeter of a variety of shapes in inches in this geometry worksheet.

Use this exercise with your students to build a foundational understanding of geometry. They will determine the area of shapes by counting the unit squares.

Sort parallel and perpendicular lines with this fun cut-and-paste activity!

Try differentiating between parallel and perpendicular lines with this appealing worksheet!