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Math: Geometry: Lines Discuss this eTheme.

These sites describe points, lines, line segments, and rays. Learn the difference between parallel, perpendicular, and intersecting lines. Includes online games, worksheets, lesson plans, and practice questions. There is a link to an eThemes Resource on shapes.

Grades

  • 3,
  • 4,
  • 5,
  • 6

Links

Watch an animated movie and listen to Tim's explanation on parallel and perpendicular lines. NOTE: The web site is available by subscription only.
Click on "Enter Dictionary Here" to Search the dictionary. Then select the "Ll" letter-link to access the terms beginning with the letter "L". Next, click on the term "line (types of)" to see a definition of line. Learn various types of lines, segment, arc, interval, ray, and more.
Learn how lines are used in art and draw online your own images.
Do simple calculations using line and its segments.
This worksheet helps students learn the difference between lines, line segments, and rays.
This worksheet has students try drawing and labeling lines, line segments, and rays.
These practice questions have students identify if lines are parallel, perpendicular, or intersecting.
For this activity use seven pencils to make three triangles that are of the same size. This is a one-page PDF file.
Click on links to play games that help you learn geometry vocabulary.
This site explains lines, points, intersection, line segments, rays, and more.
This site has examples of parallel, perpendicular, intersecting, and skew lines. Click on "Workout" at the top for a quiz. NOTE: The site includes pop-up and banner ads.
Click on the words below to see examples of a point, line, line segment, ray, and angle. NOTE: The site includes pop-up and banner ads.
Go to page three of this six-page PDF file for some questions about lines. The answers are included.
This lesson plan offers an activity idea for introducing these concepts to students. Click on the "Discussion" link for some possible questions the students might ask, and click on "Graph Paper" for a practice page you can print out.
This is a collection of sites about geometric shapes and polygons. Includes definitions plus examples of them in everyday life. Learn about prisms and polygons. There are interactive sites with games, online manipulatives, and animated movies on polygons and triangles.

Education Standards

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