Handout
PBS

Pbs Learning Media: Cross Sections of a Cube

For Students 3rd - 8th Standards
This interactive exercise focuses on discovering the relationships between two and three-dimensional shapes.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions

For Students 9th - 10th Standards
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 9.4 Connections Between Two and Three Dimensions

For Students 9th - 10th Standards
Cross-sections are one way that two-dimensional objects are connected to three-dimensional objects.
Unknown Type
Khan Academy

Khan Academy: Cross Sections of 3 D Objects

For Students 9th - 10th Standards
Practice your knowledge of all possible cross-sections of common 3D objects. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gmd, G Mg Tennis Balls in a Can

For Teachers 9th - 10th Standards
For this task, learners investigate the volume of tennis balls and their cylindrical container, the empty space around the balls, different ways of slicing them, and what their visualizations will look like. Aligns with G-GMD.B.4 and...
Handout
Science Struck

Science Struck: A Comprehensive Printable List of Geometry Formulas

For Students 9th - 10th Standards
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
Handout
National Council of Teachers of Mathematics

The Math Forum: Defining Geometric Figures

For Students 5th - 8th Standards
This site provides an in-depth definition of a two-dimensional figure and a three-dimensional figure. Related terms include arcs, vertices, polygon, and many more.