Area of Irregular Shapes Teacher Resources

What can ancient Chinese philosophy teach young mathematicians about area? Find out with this fun hands-on investigation that uses the yin yang symbol to explore the area of irregular shapes.

In this perimeter and area of irregular shapes worksheet, learners use unconventional methods such as using string, dot points, percentages, and more to find the perimeter and area of irregular shapes. Students complete 14 problems total.

In this geometry learning exercise, students practice estimating the area of irregular shapes. There are 5 questions on this learning exercise in which they must estimate areas.

Wow, that's a big pencil box! Scholars measure the area of a 15-foot pencil box among other measurement word problems. For each, they evaluate the information given to figure the area, which is sometimes not the end-all answer they are...

In this irregular shapes worksheet, 10th graders solve 10 different problems that include determining the area of various irregular shapes as shown in each. First, they divide each figure into familiar shapes. Then, students determine...

In this math worksheet, students complete 13 problems where they find the area of irregular shapes where some of the measurements are given. Examples are given in this well-designed worksheet.

Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, learners apply this new knowledge to determine the area...

Learners explore the concept of area. In this area instructional activity, students find the area of irregular shapes with right angles. Learners break down each irregular shape into multiple regular shapes in order to find the area. ...

Compare sizes of student footprints with those of elephants and sauropod dinosaurs! Upper graders make estimations of the areas of irregular shapes; students use grids to make and explain estimates within low and high ranges.

How do you find areas of irregular shapes? Scholars use a given diagram of a lake to estimate its area. Using shapes with known area formulas helps with this estimation.

Use the formula for the area of a rectangle for more than just rectangles! Scholars see that they can use common area formulas to find the area of irregular shapes. 

A wonderful resource just waiting to be used. Provide learners with a complete explanation on how to calculate the area of a rectangle. After this process is covered, they will see how they can use rectangles to calculate the area of...

Before your scholars know how to multiply side lengths to find an area, give them some practice in simply counting units. They examine shapes that have already been segmented into units, counting them to get the area. There are three...

Students find the area of irregular shaped polygons. In this geometry lesson, students identify the different shapes of a polygon and use the best method to find the area on a coordinate plane.

Tenth graders explore area of polygons. For this geometry lesson, 10th graders use a geometry utility and a geoboard application to investigate the area of irregularly shaped polygons.

Students investigate surface area.  In this Algebra I/Geometry lesson plan, students analyze and collect data to find the surface area of an irregularly shaped object by relating area to mass.  Students use technology to create a scatter...

In this area of polygons worksheet, students find the area of 12 polygons. Each shape is drawn on a grid. The area of each square on the grid is given. Problems are all multiple choice.

In this area instructional activity, students find the area of one irregular polygon.  Students find the area by dividing the irregular polygon into multiple regular polygons.

Young geometers use the interactive website Cyberchase to practice calculating both area and perimeter. Real world problems encourage learners to discover that we use math each and every day. 

Fifth graders estimate the area of an Indian Reservation. In this area activity students find the approximate area in square miles of Flathead Reservation. The students work with irregular shapes of areas.

Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-activity series supports children with learning how to measure the area of squares, rectangles, and other...

What kind of tree does a math teacher climb? A geometry! Here is a lesson that includes all the geometry resources you could ever wish for in one comprehensive workbook. Class members demonstrate what they have learned by determining the...

Young geometers use technology (Geometer’s Sketchpad) to explore the Pythagorean Theorem and analyze different proofs. Students work in small groups to gain insight into the relationships of the sides of right triangles by constructing...

Students make estimates and then measure leaves for accuracy. They calculate the area of the leaves by drawing an outline on graph paper and counting the squares. They compare the leaves exposed to sunlight to those that are in constant...