In this TI Nspire tutorial, the Geometry window is used to construct a triangle and its circumcenter.

In this TI Nspire tutorial, the Geometry window is used to construct and measure an angle. This video supports the TI-Nspire Clickpad and Touchpad.

In this video tutorial angles are defined. Students are shown how to construct and measure using the Desmos geometry tools.

In this video tutorial intersecting lines and planes are defined.

In this video tutorial lines, rays, and segments are defined.

In this video tutorial parallel and perpendicular lines are defined.

In this video tutorial planes planes and coplanar points and lines are defined.

In this video tutorial points are defined. Students are shown how to construct and label points using the Desmos geometry tools.

In this video tutorial different types of angles are defined, including acute, right, supplementary, and straight angles.

In this video tutorial different types of angles are defined, including adjacent angles, complementary angles, supplementary angles, and

In this TI Nspire tutorial the Geometry window is used to construct the orthocenter of a triangle. This video supports the TI-Nspire Clickpad and Touchpad.

This cheat sheet gathers together the resources on the topic of parallel and perpendicular lines. See the descriptions and links below. Each link takes you to a collection of resources around that topic.

In this activity, learn about the geometry of city planning.

In this activity, learn about the geometry of city planning.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

This is part of a series of math clip art images that are holiday themed.

In this instructional resource, we show the steps in constructing an egg shape.

In this Slide Show, we show how to construct an isosceles triangle. This presentation requires the use of the TI-Nspire iPad App. Note: the download is a PPT.

In this Slide Show, we show how to construct the perpendicular bisectors of the three sides of a triangle to show they intersect at a single point. This presentation requires the use of the TI-Nspire iPad App. Note: the download is a PPT.

In this Slide Show, learn how to use the TI-Nspire App to construct an isosceles triangle. Note: The download is a PPT file.

In this Math Riddles Game, have your students review vocabulary around the topic of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles. Each type of angle measure includes a labeled and unlabeled version.

This is part of a collection of clip art images showing different types of angles. Each type of angle measure includes a labeled and unlabeled version.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of clip art images showing different types of angles.

This is part of a collection of math clip art images about selected topics in Geometry.

This is part of a collection of math clip art images about selected topics in Geometry.

This is part of a collection of math clip art images about selected topics in Geometry

This is part of a collection of math clip art images about selected topics in Geometry.

This is part of a collection of math clip art images about selected topics in Geometry.