Geometric Shapes<br />
Outline<br /><ul><li> Shape Recognition
 Properties of Basic Shapes
 Triangles
 Classifying Triangles
 Quadrilaterals
 Classifying Quadrilaterals
 Regular Polygons
 Line Symmetry
 Rotational Symmetry
 Applying Geometric Shapes in the Every Day
 Activities with Geometric Shapes</li></li></ul><li>Shape Recognition<br />Let’s start off real basic! Can you name these ...
Properties of Basic Shapes<br />Now let’s quickly go over some properties of basic shapes. . .<br />
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Mat 140.geometric shapes[1]

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Mat 140.geometric shapes[1]

  1. 1. Geometric Shapes<br />
  2. 2. Outline<br /><ul><li> Shape Recognition
  3. 3. Properties of Basic Shapes
  4. 4. Triangles
  5. 5. Classifying Triangles
  6. 6. Quadrilaterals
  7. 7. Classifying Quadrilaterals
  8. 8. Regular Polygons
  9. 9. Line Symmetry
  10. 10. Rotational Symmetry
  11. 11. Applying Geometric Shapes in the Every Day
  12. 12. Activities with Geometric Shapes</li></li></ul><li>Shape Recognition<br />Let’s start off real basic! Can you name these geometric shapes? Go ahead and label them! <br />Diamond<br />or Rhombus <br />Pentagon <br />Square <br />Circle <br />Trapezoid <br />Triangle <br />
  13. 13. Properties of Basic Shapes<br />Now let’s quickly go over some properties of basic shapes. . .<br />
  14. 14. Triangles<br />Triangles can be distinguished by their _____ and their ______<br />sides<br />angles<br />All six of these characteristics can be combined. . . (see the next slide) <br />
  15. 15. Classifying Triangles<br />Since triangles are distinguished between their sides and angles we can also categorize them by their sides and angles.<br />Can you place these triangles accordingly in the diagram?<br />
  16. 16. Quadrilaterals<br />Q: Does anyone know what a quadrilateral is?<br />D: A quadrilateralis a four sided figure. <br />Q: Can you think of a geometric shape that would fit this description?<br />These are just some examples.<br />Square <br />Parallelogram <br />Diamond <br />Trapezoid <br />Rectangle <br />Review: Quadrilaterals∙ By: EnchantedLearning.com<br />
  17. 17. Classifying Quadrilaterals<br />Quadrilaterals can best be classified by their ____________. The Venn Diagram below demonstrates how the quadrilaterals can be classified accordingly.<br />parallel lines<br />0 = Zero parallel lines<br />1 = One set of parallel lines<br />2= Two set of parallel lines<br />2<br />2<br />2<br />Parallelogram <br />Diamond <br />1<br />0<br />Rectangle <br />
  18. 18. Regular Polygons<br />Q: Does anyone know what a regular polygon is?<br />D: A regular polygon is a polygon where all the sides are the same and all the interior angles are the same. <br />Q: Can you think of a geometric shape that would fit this description?<br />3-sided <br />regular polygon<br />4-sided<br />regular polygon<br />5-sided <br />regular polygon<br />6-sided <br />regular polygon<br />8-sided <br />regular polygon<br />Review: A Study of Regular Polygons ∙ By: TantekÇelik<br />
  19. 19. Line Symmetry<br />Q: Does anyone know what line symmetry is?<br />D. Line symmetry is when one half of an image is the mirror image of the other half <br />Sometimes shapes/figures can have more than one line of symmetry.<br />This is an example of a pentagon <br />having line symmetry<br />See if you can figure out anymore lines on symmetry between either the pentagon or the hexagon<br />Review: Line Symmetry∙ By: homeschoolmath.net<br />
  20. 20. Rotational Symmetry<br />Q: Does anyone know what rotational symmetry is?<br />D. Rotational symmetry is when there is a center point around which the object is turned a certain number of degrees and the object still looks the same. That is it matched itself a number of times while it is being rotated. (Webquest)<br />Review: Rotational Symmetry∙ By: Webquest<br />
  21. 21. Geometry in the Every Day<br />Geometric shapes can be found everywhere. Here are some examples of geometric shapes in the nature<br />Lines symmetry can also be found everywhere. Here are some examples of geometric shapes in the nature<br />
  22. 22. Activities with Geometric Shapes<br />Check out EnchantedLearning.com for teaching geometric shapes in the classroom. They have worksheets, crafts and much more!<br />
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