Worksheet
Alberta Learning

Area and Perimeter of Irregular Shapes

3rd - 6th Standards
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
Worksheet
Curated OER

Geometry: Calculating Perimeters

9th - 12th
In this perimeter worksheet, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
Lesson Plan
Curated OER

Area and Perimeter

10th
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
Worksheet
Math eBook

Perimeter Worksheet

7th - 8th
In this perimeter activity, students find the perimeter of given regular and irregular polygons. This four-page activity contains 20 problems. This interactive activity may be completed online or printed for paper use.
Worksheet
Curated OER

Computing Perimeters of Rectangles

5th - 6th
In this math learning exercise, students compute the perimeters of rectangles, regular polygons, and irregular polygons. Students also compute the circumferences of four circles, given the radius.
Worksheet
Curated OER

Pick's Theorem

6th - 7th
In this Pick's Theorem activity, students solve and graph 6 different problems that include using Pick's Theorem to solve. First, they use Pick's Theorem to determine the area of the shapes given as well as their own shapes drawn. Then,...
Lesson Plan
National Security Agency

Awesome Area - Geometry and Measurement

2nd - 4th Standards
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...
Worksheet
Curated OER

Area of Polygons

6th - 8th
In this math activity, students find the area and perimeter of the regular and irregular polygons. They pay attention to use the proper measurements for calculation.
Worksheet
Curated OER

Perimeter of Irregular Shapes

10th
In this geometry instructional activity, 10th graders figure the perimeter of polygons using the sides given. They add all the different sides up to calculate the perimeter.
Lesson Plan
Curated OER

Study Buddies: Perimeter

4th - 5th
In this math worksheet, young scholars will work with a coach to solve a story problem in which they must find the perimeter of two gardens. Students will follow a step-by-step process and notes are provided for the coach.