Perimeter of a Triangle Worksheets

Our free printable worksheets on perimeter of a triangle will benefit students in strengthening the basic formula of adding the lengths of all three sides to calculate the perimeter of a triangle. Available for free use, these exercises include measures of all three sides of a triangle for students to practice using various units of length, in addition to reiterating the formula of calculating the sum of the sides.

These pdf worksheets are best suited for 2nd grade, 3rd grade, and 4th grade students.

CCSS: 3.MD.8

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Perimeter of a Triangle
Select the Units of Measurement:
Worksheet 1
Worksheet 2