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Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.

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Presentation on theme: "Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott."— Presentation transcript:

1 Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott

2 Lesson Components: Part 1: Math Boxes 1.5 Page 11Math Boxes 1.5 Page 11 Part 2: Geometry ReviewGeometry Review Part 3: PowerPoint LessonPowerPoint Lesson Part 4: Turning Point QuizTurning Point Quiz Part 5: Math Journal Page 10Math Journal Page 10 Part 6: Polygon PosterPolygon Poster Copyright © 2010 Kelly Mott

3 Math Boxes Lesson 1.5

4 Copyright © 2010 Kelly Mott Math Box 1: 100 Th 10 Th HTO

5 Copyright © 2010 Kelly Mott Math Box 2:

6 Copyright © 2010 Kelly Mott Math Box 3:

7 Copyright © 2010 Kelly Mott Math Box 4:

8 Copyright © 2010 Kelly Mott Math Box 5:

9 Copyright © 2010 Kelly Mott Math Box 6:

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11 Copyright © 2010 Kelly Mott GEOMETRY REVIEW

12 A Copyright © 2010 Kelly Mott Name the Figure Point

13 BA Copyright © 2010 Kelly Mott Name the Figure Line Segment

14 ABC Copyright © 2010 Kelly Mott Name the Figure Line

15 BA Copyright © 2010 Kelly Mott Name the Figure Ray

16 A B C Name the Angle Copyright © 2010 Kelly Mott Right Angle 90 degrees

17 Copyright © 2010 Kelly Mott Name the Angle Acute Angle Less than 90 degrees

18 Copyright © 2010 Kelly Mott Name the Angle Obtuse Angle Greater than 90 degrees and less than 180 degrees

19 Copyright © 2010 Kelly Mott Name the Angle Straight Angle 180 degrees

20 Name the Triangle Copyright © 2010 Kelly Mott Right Triangle

21 Name the Triangle Copyright © 2010 Kelly Mott Isosceles Triangle

22 Name the Triangle Copyright © 2010 Kelly Mott Equilateral Triangle

23 Name the Triangles Copyright © 2010 Kelly Mott Scalene Triangle

24 Name the Quadrangle 4 Copyright © 2010 Kelly Mott Rectangle

25 Name the Quadrangle 4 Copyright © 2010 Kelly Mott Square

26 Name the Quadrangle Copyright © 2010 Kelly Mott Rhombus

27 Name the Quadrangle 4 Copyright © 2010 Kelly Mott Trapezoid

28 Name the Quadrangle 4 Copyright © 2010 Kelly Mott Kite

29 What kind of lines are these? Copyright © 2010 Kelly Mott Parallel Lines

30 These are all parallelograms: Parallelograms Copyright © 2010 Kelly Mott rectanglerhombus parallelogram square

31 These are not parallelograms: Not Parallelograms Copyright © 2010 Kelly Mott kitetrapezoid

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33 Copyright © 2010 Kelly Mott Lesson 1.5 Skill: Polygons

34 Part 1: What is a polygon? Copyright © 2010 Kelly Mott

35 Video: http://www.brainpop.com/math/g eometryandmeasurement/polygo ns/ Copyright © 20010Kelly Mott

36 x A polygon is a flat, closed figure with _____ or more sides. A polygon is a flat, closed figure with _____ or more sides. PolygonsNot Polygons Polygons Copyright © 2010 Kelly Mott

37 Practice 1: Is it a polygon? A. Yes or No Copyright © 2010 Kelly Mott B. Yes or No

38 Practice 2: Is it a polygon? C. Yes or No Copyright © 2010 Kelly Mott D. Yes or No

39 Practice 3: Is it a polygon? E. Yes or No Copyright © 2010 Kelly Mott F. Yes or No

40 Practice 4: Is it a polygon? G. Yes or No Copyright © 2010 Kelly Mott H. Yes or No

41 Part 2: Special Polygons Copyright © 2010 Kelly Mott

42 A triangle has _____ sides, _____vertices, and _____ angles. Hint: A vertex is where two lines meet. An angle is the space between the intersection of the two lines. Triangle Copyright © 2010 Kelly Mott

43 Circle all of the Triangles (6) Copyright © 2010 Kelly Mott

44 A rectangle has _____ sides, _____vertices, and _____ angles. Rectangle Copyright © 2010 Kelly Mott

45 Circle all of the Rectangles (5) Copyright © 2010 Kelly Mott

46 A square has _____ sides, _____vertices, and _____ angles. Square Copyright © 2010 Kelly Mott

47 Circle all of the Squares (5) Copyright © 2010 Kelly Mott

48 A pentagon has _____ sides, _____vertices, and _____ angles. Pentagon Copyright © 2010 Kelly Mott

49 Circle all of the Pentagons (5) Copyright © 2010 Kelly Mott

50 A hexagon has _____ sides, _____vertices, and _____ angles. Hexagon Copyright © 2010 Kelly Mott

51 Circle all of the Hexagons (5) Copyright © 2010 Kelly Mott

52 A heptagon has _____ sides, _____vertices, and _____ angles. Heptagon Copyright © 2010 Kelly Mott

53 Circle all of the Heptagons (5) Copyright © 2010 Kelly Mott

54 A octagon has _____ sides, _____vertices, and _____ angles. Octagon Copyright © 2010 Kelly Mott

55 Circle all of the Octagons (4) Copyright © 2010 Kelly Mott

56 A nonagon has _____ sides, _____vertices, and _____ angles. Nonagon Copyright © 2010 Kelly Mott

57 Circle all of the Nonagons (3) Copyright © 2010 Kelly Mott

58 A decagon has _____ sides, _____vertices, and _____ angles. Decagon Copyright © 2010 Kelly Mott

59 Circle all of the Decagons (3) Copyright © 2010 Kelly Mott

60 Part 3: Match the Polygons Copyright © 2010 Kelly Mott

61 Pentagon Decagon Heptagon Match the Polygons 1 Copyright © 2010 Kelly Mott

62 Square Octagon Nonagon Match the Polygons 2 Copyright © 2010 Kelly Mott

63 Hexagon Rectangle Triangle Match the Polygons 3 Copyright © 2010 Kelly Mott

64 Part 4: Convex and Concave Polgons Copyright © 2010 Kelly Mott

65 A convex polygon is a polygon in which all sides are pushed outward. A concave polygon is a polygon in which at least two sides are pushed in. Copyright © 2010 Kelly Mott Convex Polygons

66 Practice 1: Is it convex or concave? A. Convex or Concave Copyright © 2010 Kelly Mott B. Convex or Concave

67 Practice 2: Is it convex or concave? C. Convex or Concave Copyright © 2010 Kelly Mott D. Convex or Concave

68 Practice 3: Is it convex or concave? E. Convex or Concave Copyright © 2010 Kelly Mott F. Convex or Concave

69 Practice 4: Is it convex or concave? G. Convex or Concave Copyright © 2010 Kelly Mott H. Convex or Concave

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71 Part 5: Turning Point Quiz Copyright © 2010 Kelly Mott

72 Name the Polygon: 1.Decagon 2.Heptagon 3.Triangle Copyright © 2010 Kelly Mott 10

73 Name the Polygon: 1.Hexagon 2.Pentagon 3.Heptagon Copyright © 2010 Kelly Mott 5

74 Name the Polygon: 1.Octagon 2.Nonagon 3.Decagon Copyright © 2010 Kelly Mott 8

75 Name the Polygon: 1.Square 2.Rectangle 3.Triangle Copyright © 2010 Kelly Mott 3

76 Name the Polygon: Copyright © 2010 Kelly Mott 1.Octagon 2.Square 3.Heptagon 4

77 Name the Polygon: 1.Hexagon 2.Pentagon 3.Nonagon Copyright © 2010 Kelly Mott 6

78 Name the Polygon: Copyright © 2010 Kelly Mott 1.rectangle 2.square 3.decagon 4

79 Name the Polygon: 1.Hexagon 2.Heptagon 3.Octagon Copyright © 2010 Kelly Mott 7

80 Name the Polygon: 1.Nonagon 2.Pentagon 3.Decagon Copyright © 2010 Kelly Mott 9

81 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

82 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

83 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

84 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

85 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

86 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

87 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

88 Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave

89 Copyright © 2010 Kelly Mott

90 How did you do? Copyright © 2010 Kelly Mott

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93 CLASSWORK/HOMEWORK Everyday Math Journal Page: 10 Copyright © 20010Kelly Mott

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95 Copyright © 2010 Kelly Mott HOMEWORK

96 Copyright © 2010 Kelly Mott HOMEWORK

97 Copyright © 2010 Kelly Mott HOMEWORK

98 Copyright © 2010 Kelly Mott

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100 CLASSWORK/HOMEWORK Poster Showing Types of Polygons Copyright © 20010Kelly Mott

101 Polygons Copyright © 2010 Kelly Mott 9 square nonagondecagon octagon heptagon triangle rectangle hexagon pentagon 9 5 3 8 10 6 7 4 4

102 Polygons Copyright © 2010 Kelly Mott 99 5 3 8 10 6 7 4 4

103 Poster Showing Convex and Concave Convex Concave Copyright © 2010 Kelly Mott

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