Learn all about lines. This lesson targets what is a line and the different types. Check-out the interactive simulations to know more about the lesson and try your hand at solving a few interesting practice questions at the end of the page.

[Free Registration/Login may be required to access all resource tools.] Recognize reflections as flips and also identify lines of reflection. Includes lots of examples, as well as review exercises. Other sections of the tutorial offer...

[Free Registration/Login may be required to access all resource tools.] This study guide looks at proportionality theorems for triangles and parallel lines intersected by transversals.

Lesson and activities focusing on line reflection. Here you will find a detailed explanation of the concept with picture examples, opportunities for interactive practice, and supporting classroom activities in the teacher resource pages.

Learn about lines with this useful reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Understand points that partition line segments.

Learn about a line that intersects a circle in two points is called a secant line.

Explore lines and angles, and the relationship between the two.

This study guide on Geometry covers some key vocabulary, drawing and labeling diagrams, describing geometric figures, and basic postulates for points, lines, planes, and intersections. It is available for download with free registration.

This resource features information on the point-slope form in geometry. It provides a good definition, several examples, and information on various forms.

The tutorial examines basic geometry vocabulary. Definitions and examples of a point, line, line segment, ray, and plane are included.

Students are given methods with pictures to solve for the midpoint of a line segment.

The resource explores basic terms used in geometry. The tutorial defines a point, line, and plane. Examples are included.

A complete reference guide to diagonals of a square. It provides definitions, examples, and interactive activities that enhance further explanation. Includes links to related topics.

This is a good site for elementary teachers to help educate students about symmetry by using pattern blocks. This link has multiple activities that the instructor could use including technological and standard activities.

On this website you can learn how two point perspectives are used to create pictures in comic books.