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.

For this perimeter and area of irregular shapes worksheet, students 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 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 geometry worksheet, students practice estimating the area of irregular shapes. There are 5 questions on this worksheet in which they must estimate areas.

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, students apply this new knowledge to determine the area...

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

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 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.

In this geometry worksheet, 10th graders determine the area of irregularly shaped figures composed of rectangles, circles, and triangles.  The one page worksheet contains five multiple choice questions and is self checking. 

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. 

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

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...

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

What's the easiest way of finding the area of an irregular figure? Take it apart! Young mathematicians analyze strange shapes and find the areas of them using an interactive lesson. Fourth and final in a series, the two-day activity...

In this geometry instructional activity, students piece the area of irregular shapes together by finding the area of smaller shapes within the larger figure. There are 5 multiple choice questions.

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.

In this area learning exercise, high schoolers find the area of one irregular polygon.  Students find the area by dividing the irregular polygon into multiple regular polygons.

Learners 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.  Learners 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.

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...

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...