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Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
Mat 140.geometric shapes[1]
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Mat 140.geometric shapes[1]

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Transcript

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

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