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Everyday Math Grade 4 – Lesson 1.3 Part 1: Angles Copyright © 2010 Kelly Mott
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Math Boxes Lesson 1.3
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Copyright © 2010 Kelly Mott Math Box 1:
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Copyright © 2010 Kelly Mott Math Box 2:
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Copyright © 2010 Kelly Mott Math Box 3:
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Copyright © 2010 Kelly Mott Math Box 4:
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Copyright © 2010 Kelly Mott Math Box 5:
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Copyright © 2010 Kelly Mott REVIEW
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A __________ is a location in space that is usually marked with a dot. Z 1.Line 2.Line segment 3.Point 4.Ray Copyright © 2010 Kelly Mott
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A __________ is made up of a set of points and continues without end in both directions. 1.Line 2.Line segment 3.Point 4.Ray Copyright © 2010 Kelly Mott
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A __________ straight path that has a starting point and goes forever in one direction. 1.Line 2.Line segment 3.Point 4.Ray Copyright © 2010 Kelly Mott
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A __________ is made up of 2 points with a straight path between them. 1.Line 2.Line segment 3.Point 4.Ray Copyright © 2010 Kelly Mott
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__________or ______________________________ Copyright © 2010 Kelly Mott Name the Line, Line Segment, or Ray QRWX
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__________or _________ Copyright © 2010 Kelly Mott Name the Line, Line Segment, or Ray EFG LM
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Copyright © 2010 Kelly Mott
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Lesson 1.3 Part 1 Skill: Angles
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Part 1: What are angles? Copyright © 2010 Kelly Mott
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What are angles? Copyright © 2010 Kelly Mott
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An angle is made up of ___ rays or ___ line segments that share an endpoint. The point that is shared is called the vertex. Label the vertex above. Copyright © 2010 Kelly Mott What is an angle?
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Draw an angle made up of two rays and label the vertex. Draw an angle made up of two line segments and label the vertex. Copyright © 2010 Kelly Mott Draw an Angle
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Part 2: How do you name an angle? Copyright © 2010 Kelly Mott
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An angle can be named 2 ways. It can be named by its vertex. It can be named by its 3 points. (The vertex must be in the middle.) Copyright © 2010 Kelly Mott How do you name an angle? A B C D E F
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Names: 1.___________________ 2.___________________ 3.___________________ H G I Name the Angles 1 E D F Names: 1.___________________ 2.___________________ 3.___________________ J K L Copyright © 2010 Kelly Mott
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Names: 1.___________________ 2.___________________ 3.___________________ N M O Name the Angles 2 E D F Names: 1.___________________ 2.___________________ 3.___________________ P Q R Copyright © 2010 Kelly Mott
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Names: 1.___________________ 2.___________________ 3.___________________ TSU Name the Angles 3 E D F Names: 1.___________________ 2.___________________ 3.___________________ V WX Copyright © 2010 Kelly Mott
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Names: 1.___________________ 2.___________________ 3.___________________ BA C Name the Angles 4 E D F Names: 1.___________________ 2.___________________ 3.___________________ D E F Copyright © 2010 Kelly Mott
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Part 3: Types of Angles Copyright © 2010 Kelly Mott
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What types of angles are there? Copyright © 2010 Kelly Mott
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A protractor is used to measure angles. Angles can be classified into types according to what they measure. Copyright © 2010 Kelly Mott Types of Angles
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A _______________ angle measures 90 degrees. Copyright © 2010 Kelly Mott Types of Angles
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f Circle the Right Angles Copyright © 2010 Kelly Mott
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An _______________ angle measures less than 90 degrees. Copyright © 2010 Kelly Mott Types of Angles
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f Circle the Acute Angles Copyright © 2010 Kelly Mott
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An _______________ angle measures more than 90 and less than 180. Copyright © 2010 Kelly Mott Types of Angles
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f Copyright © 2010 Kelly Mott Circle the Obtuse Angles
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A _______________ angle 180 degrees. Copyright © 2010 Kelly Mott Types of Angles
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f Copyright © 2010 Kelly Mott Circle the Straight Angles
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Part 4: Angle Type Review Copyright © 2010 Kelly Mott
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A B C Name the Angle Copyright © 2010 Kelly Mott Right Angle 90 degrees
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Copyright © 2010 Kelly Mott Name the Angle Acute Angle Less than 90 degrees
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Copyright © 2010 Kelly Mott Name the Angle Obtuse Angle Greater than 90 degrees and less than 180 degrees
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Copyright © 2010 Kelly Mott Name the Angle Straight Angle 180 degrees
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Part 5: Angle Challenge Copyright © 2010 Kelly Mott
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Write how many and name the angles: How many right angles? _____________________ How many acute angles? _____________________ How many obtuse angles? _____________________ A BC Angle Challenge Copyright © 2010 Kelly Mott
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Write how many and name the angles: How many right angles? _____________________ How many acute angles? _____________________ How many obtuse angles? _____________________ A BC D Copyright © 2010 Kelly Mott Angle Challenge
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Write how many and name the angles: How many right angles? _____________________ How many acute angles? _____________________ How many obtuse angles? _____________________ A BC D Copyright © 2010 Kelly Mott Angle Challenge
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Write how many and name the angles: How many right angles? _____________________ How many acute angles? _____________________ How many obtuse angles? _____________________ A BC D Copyright © 2010 Kelly Mott Angle Challenge
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Part 6: BRAIN POP - ANGLES Copyright © 2010 Kelly Mott
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BRAIN POP Video: http://www.brainpop.com/math/g eometryandmeasurement/angles / Quiz: http://www.brainpop.com/math/g eometryandmeasurement/angles /quiz/ Copyright © 20010Kelly Mott
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Copyright © 2010 Kelly Mott
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Does this make sense? Copyright © 2010 Kelly Mott
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HOMEWORK Everyday Math Journal Page: 6 Copyright © 20010Kelly Mott
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Copyright © 2010 Kelly Mott HOMEWORK
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Copyright © 2010 Kelly Mott HOMEWORK
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Copyright © 2010 Kelly Mott HOMEWORK
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Copyright © 2010 Kelly Mott HOMEWORK
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Copyright © 2010 Kelly Mott
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