The geometry resource investigates the area of irregular shapes. Detailed examples and practice exercises are included.

Students will determine what an unknown substance is by finding mass, volume, displacement, and density of an object. Students will also create a report which will require them to read a graph, interpret data, calculate averages, and...

Test your knowledge of determing the area of irregular shapes.

Mattie and her four sisters are visiting a toy store. Can you help them find different shapes in the toy store?

Dividing an irregular shape into rectangles helps students find the area of an irregular shape.

In this lesson students will practice finding the area of rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes. CCSS.Math.Content.3.MD.C.5.b A plane figure which can...

In this lesson students will practice finding the perimeter of regular and irregular shapes with right angles and the appropriate units for measuring perimeter.

In this lesson students will practice finding the area of irregular shapes with right angles and understand that there are different methods for calculating area.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to dientify various two dimensional shapes within a composite figure.

Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.

In this activity, students' find the surface area of geometric shapes cut from card paper and relate it to its mass. They use this data to find the surface area of irregularly shaped objects.

Third graders look for break apart irregular polygons to make arrays to find the area of these common shapes.

In this lesson students will practice finding the area rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes.

This resource has three sets of problems. Each set has six questions for finding area of irregular shapes formed by line segments. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem....

Creating names with block letters students calculate area of irregular shapes. This activity also make a real world application to the popular video game Minecraft.

Here's a delicious math challenge for chocolate lovers! Use your estimation and measurement skills to discover which irregular shaped, chocolate covered cookie has the largest surface area. A one-page activity from the NCTM Math...

Practice finding the areas of complex shapes that are composed of smaller shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Investigate how a variety of shapes can be used to form composite figures using this interactive Learn Alberta math resource. Students will also work on using relevant operations and formulas to figure out the total area of composite...

In this task, students must estimate the number of leaves on a large tree, taking into account various complex factors such as the area shaded by the tree, the area of irregularly shaped leaves, the uneven distribution of leaves, the...

Students will use two different methods to determine the densities of a variety of materials and objects. The first method involves direct measurement of the volumes of objects that have simple geometric shapes, while the second uses the...

At its core, the LEGO MINDSTORMS product provides a programmable microprocessor. Students use the EV3 processor to simulate an experiment involving thousands of uniformly random points placed within a unit square. Using the underlying...

In this first part of a two-part lab activity, students use triple balance beams and graduated cylinders to take measurements and calculate the densities of several common, irregularly shaped objects with the purpose to resolve confusion...

Concluding a two-part lab activity, students use triple balance beams and graduated cylinders to take measurements and calculate densities of several household liquids and compare them to the densities of irregularly shaped objects (as...

Through this curricular unit, students are introduced to the important concept of density. The focus is on the more easily understood densities of solids, but students may also explore the densities of liquids and gases. Students devise...