Math: Geometry: Lines
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.
教育标准
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申请州标准
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BrainPOP: Parallel and Perpendicular
Watch an animated movie and listen to Tim's explanation on parallel and perpendicular lines. NOTE: The web site is available by subscription only.
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A Maths Dictionary for Kids 2013
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.
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Walker Art Center: Educational Activity: Line Design
Learn how lines are used in art and draw online your own images.
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Number Line
Do simple calculations using line and its segments.
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edHelper: Line and Line Segments
This worksheet helps students learn the difference between lines, line segments, and rays.
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edHelper: Drawing Line and Line Segments
This worksheet has students try drawing and labeling lines, line segments, and rays.
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edHelper: Parallel and Intersecting Lines
These practice questions have students identify if lines are parallel, perpendicular, or intersecting.
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PBS: Pencil Challenge
For this activity use seven pencils to make three triangles that are of the same size. This is a one-page PDF file.
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Quia: Geometric Terms
Click on links to play games that help you learn geometry vocabulary.
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Math League: Basic Terms
This site explains lines, points, intersection, line segments, rays, and more.
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Geometry: Pairs of Lines
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.
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Geometry: Coordinate Geometry
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.
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Points, Lines, and Rays
Go to page three of this six-page PDF file for some questions about lines. The answers are included.
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Lines, Rays, Line Segments, and Planes
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.
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eThemes Resource: Geometry: Shapes
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.
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