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  Hot Flash Concept Lesson
Prior Knowledge:   Ray, line, and point
Summary:   Students will get practice making angles of different sizes and learn to label these angles as right, acute, obtuse, and straight angles.
 
  Area Really Exists Anywhere Concept Lesson
Prior Knowledge:   Basic knowledge of multiplication facts, geometric knowledge of squares and rectangles, experience with power point
Summary:   Students will cover different objects with inch squares and centimeter squares to get a better understanding of area.
 
  Hey Ray, What's Your Angle? Concept Lesson
Prior Knowledge:   Understanding of rays and lines
Summary:   Students will be able to identify different kinds of angles and lines as the result of this lesson.
 
  The Missing Piece Concept Lesson
Prior Knowledge:   Basic knowledge of rays and angles
Summary:   Students will discover elements of angles through this hands-on activity.
 
  Web Sighting Concept Lesson
Prior Knowledge:   Knowledge of acute angle, right angle, obtuse angle, perpendicular and parallel lines
Summary:   Students will create a yarn web on poster board and then will try to identify and label different kinds of angles and lines that they can see in the yarn web.
 
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  Title Concept Lesson
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  Title Concept Lesson
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  Title Concept Lesson
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  Title Concept Lesson
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  Title Concept Lesson
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Created by iCATS November 28, 2005; updated October 24, 2006 .