Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

This lesson is designed for fourth graders to practice their skills with the order of operations along with multiplying fractions and adding or subtracting decimals.

Teach your students to calculate fractions of 100 using a number line model.

Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.