Fourth Grade Geometry Fun with Native American Art.
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Transcript of Fourth Grade Geometry Fun with Native American Art.
![Page 1: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/1.jpg)
Fourth Grade GeometryFourth Grade Geometry
Fun with Native American Art Fun with Native American Art
![Page 2: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/2.jpg)
Geometry ObjectivesGeometry Objectives
• (4.8) Geometry and Spatial Reasoning: A. Identify right, acute, and obtuse anglesB. Identify models of parallel and perpendicular linesC. Describe shapes and solids in terms of vertices, edges, and faces
(4.9) Geometry and Spatial Reasoning: A. Demonstrate translations, reflections,
and rotations
![Page 3: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/3.jpg)
Acute AnglesAcute Angles
• Can you identify an acute angle on this Native American work of art?
![Page 4: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/4.jpg)
Acute Angle Acute Angle
• Highlighted in red shows one example of an acute angle in this picture.
• An acute angle measures less than 90 degrees.
![Page 5: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/5.jpg)
Obtuse AnglesObtuse Angles
• Can you identify an obtuse angle in this Native American art?
![Page 6: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/6.jpg)
Obtuse AngleObtuse Angle
• Highlighted in red is one of the obtuse angles found in this picture.
• An obtuse angle measures more than 90 degrees.
![Page 7: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/7.jpg)
Right AnglesRight Angles
• Can you identify a right angle in this Native American art?
![Page 8: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/8.jpg)
Right AnglesRight Angles
• Highlighted in red shows one of many right angles in this picture.
• A right angle measures exactly 90 degrees.
![Page 9: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/9.jpg)
Is this an example of a reflection, translation or Is this an example of a reflection, translation or rotation? rotation?
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Rotation!Rotation!
The Native American pottery The Native American pottery rotated through each of the four rotated through each of the four
quadrants. quadrants.
![Page 11: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/11.jpg)
Look at this picture!Look at this picture!
• Can you identify all the pictures within in the squares that have symmetry?
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![Page 13: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/13.jpg)
Parallel LinesParallel Lines
• Can you identify the parallel lines in this Native American art?
![Page 14: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/14.jpg)
Parallel LinesParallel Lines
• Highlighted in red is an example of parallel lines
• Parallel lines are two or more lines that are in the same plane but do not intersect.
![Page 15: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/15.jpg)
Perpendicular LinesPerpendicular Lines
• Can you identify perpendicular lines in this Native American art?
![Page 16: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/16.jpg)
Perpendicular Lines Perpendicular Lines
• Highlighted in red is a set of perpendicular lines in this picture.
• Perpendicular lines are two lines in the same plane that meet at right angles.
![Page 17: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/17.jpg)
Name this polygonName this polygon
![Page 18: Fourth Grade Geometry Fun with Native American Art.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f355503460f94c53fd6/html5/thumbnails/18.jpg)
Name this polygon!Name this polygon!
• Octagon • An octagon is a
polygon with eight sides.
• Can you think of other objects around your community that have the same number of sides like an octagon?
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A stop sign!A stop sign!
• A stop sign is also an octagon. It has eight sides.