Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.
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Transcript of Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.
![Page 1: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/1.jpg)
Everyday MathGrade 4 – Lesson 1.5
Polygons
Copyright © 2010 Kelly Mott
![Page 2: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/2.jpg)
Lesson Components:Part 1: Math Boxes 1.5 Page 11Part 2: Geometry ReviewPart 3: PowerPoint LessonPart 4: Turning Point QuizPart 5: Math Journal Page 10Part 6: Polygon Poster
Copyright © 2010 Kelly Mott
![Page 3: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/3.jpg)
Copyright © 2010 Kelly Mott
Math Boxes Lesson 1.5
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Copyright © 2010 Kelly Mott
Math Box 1:
100Th
10Th Th H T O
![Page 5: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/5.jpg)
Copyright © 2010 Kelly Mott
Math Box 2:
![Page 6: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/6.jpg)
Copyright © 2010 Kelly Mott
Math Box 3:
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Copyright © 2010 Kelly Mott
Math Box 4:
![Page 8: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/8.jpg)
Copyright © 2010 Kelly Mott
Math Box 5:
![Page 9: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/9.jpg)
Copyright © 2010 Kelly Mott
Math Box 6:
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![Page 11: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/11.jpg)
Copyright © 2010 Kelly Mott
GEOMETRYREVIEW
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ACopyright © 2010 Kelly Mott
Name the FigurePoint
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BA
Copyright © 2010 Kelly Mott
Name the FigureLine Segment
![Page 14: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/14.jpg)
A B C
Copyright © 2010 Kelly Mott
Name the FigureLine
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BA
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Name the FigureRay
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A
BC
Name the Angle
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Right Angle
90 degrees
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Copyright © 2010 Kelly Mott
Name the AngleAcute Angle
Less than 90 degrees
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Name the AngleObtuse Angle
Greater than 90 degrees and less than 180 degrees
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Copyright © 2010 Kelly Mott
Name the AngleStraight Angle
180 degrees
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Name the Triangle
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Right Triangle
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Name the Triangle
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Isosceles Triangle
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Name the Triangle
Copyright © 2010 Kelly Mott
Equilateral Triangle
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Name the Triangles
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Scalene Triangle
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Name the Quadrangle
4
Copyright © 2010 Kelly Mott
Rectangle
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Name the Quadrangle
4Copyright © 2010 Kelly Mott
Square
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Name the Quadrangle
Copyright © 2010 Kelly Mott
Rhombus
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Name the Quadrangle
4Copyright © 2010 Kelly Mott
Trapezoid
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Name the Quadrangle
4Copyright © 2010 Kelly Mott
Kite
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What kind of lines are these?
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Parallel Lines
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• These are all parallelograms:
Parallelograms
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rectangle rhombus parallelogram square
![Page 31: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/31.jpg)
• These are not parallelograms:
Not Parallelograms
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kite trapezoid
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Copyright © 2010 Kelly Mott
Lesson 1.5Skill: Polygons
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Part 1: What is a polygon?
Copyright © 2010 Kelly Mott
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Video:http://www.brainpop.com/math/geometryandmeasurement/polygons/
Copyright © 20010Kelly Mott
![Page 36: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/36.jpg)
x A polygon is a flat, closed figure with _____ or
more sides.
A polygon is a flat, closed figure with _____ or
more sides.
Polygons Not Polygons
Polygons
Copyright © 2010 Kelly Mott
![Page 37: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/37.jpg)
Practice 1: Is it a polygon?A.
Yes or NoCopyright © 2010 Kelly Mott
B.
Yes or No
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Practice 2: Is it a polygon?C.
Yes or NoCopyright © 2010 Kelly Mott
D.
Yes or No
![Page 39: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/39.jpg)
Practice 3: Is it a polygon?E.
Yes or NoCopyright © 2010 Kelly Mott
F.
Yes or No
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Practice 4: Is it a polygon?G.
Yes or NoCopyright © 2010 Kelly Mott
H.
Yes or No
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Part 2: Special Polygons
Copyright © 2010 Kelly Mott
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• 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
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Circle all of the Triangles (6)
Copyright © 2010 Kelly Mott
![Page 44: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/44.jpg)
• A rectangle has _____ sides, _____vertices, and _____ angles.
Rectangle
Copyright © 2010 Kelly Mott
![Page 45: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/45.jpg)
Circle all of the Rectangles (5)
Copyright © 2010 Kelly Mott
![Page 46: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/46.jpg)
• A square has _____ sides, _____vertices, and _____ angles.
Square
Copyright © 2010 Kelly Mott
![Page 47: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/47.jpg)
Circle all of the Squares (5)
Copyright © 2010 Kelly Mott
![Page 48: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/48.jpg)
• A pentagon has _____ sides, _____vertices, and _____ angles.
Pentagon
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![Page 49: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/49.jpg)
Circle all of the Pentagons (5)
Copyright © 2010 Kelly Mott
![Page 50: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/50.jpg)
• A hexagon has _____ sides, _____vertices, and _____ angles.
Hexagon
Copyright © 2010 Kelly Mott
![Page 51: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/51.jpg)
Circle all of the Hexagons (5)
Copyright © 2010 Kelly Mott
![Page 52: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/52.jpg)
• A heptagon has _____ sides, _____vertices, and _____ angles.
Heptagon
Copyright © 2010 Kelly Mott
![Page 53: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/53.jpg)
Circle all of the Heptagons (5)
Copyright © 2010 Kelly Mott
![Page 54: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/54.jpg)
• A octagon has _____ sides, _____vertices, and _____ angles.
Octagon
Copyright © 2010 Kelly Mott
![Page 55: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/55.jpg)
Circle all of the Octagons (4)
Copyright © 2010 Kelly Mott
![Page 56: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/56.jpg)
• A nonagon has _____ sides, _____vertices, and _____ angles.
Nonagon
Copyright © 2010 Kelly Mott
![Page 57: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/57.jpg)
Circle all of the Nonagons (3)
Copyright © 2010 Kelly Mott
![Page 58: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/58.jpg)
• A decagon has _____ sides, _____vertices, and _____ angles.
Decagon
Copyright © 2010 Kelly Mott
![Page 59: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/59.jpg)
Circle all of the Decagons (3)
Copyright © 2010 Kelly Mott
![Page 60: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/60.jpg)
Part 3: Match the Polygons
Copyright © 2010 Kelly Mott
![Page 61: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/61.jpg)
Pentagon
Decagon
Heptagon
Match the Polygons 1
Copyright © 2010 Kelly Mott
![Page 62: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/62.jpg)
Square
Octagon
Nonagon
Match the Polygons 2
Copyright © 2010 Kelly Mott
![Page 63: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/63.jpg)
Hexagon
Rectangle
Triangle
Match the Polygons 3
Copyright © 2010 Kelly Mott
![Page 64: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/64.jpg)
Part 4: Convex and Concave Polgons
Copyright © 2010 Kelly Mott
![Page 65: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/65.jpg)
• 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
![Page 66: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/66.jpg)
Practice 1: Is it convex or concave?A.
Convex or Concave
Copyright © 2010 Kelly Mott
B.
Convex or Concave
![Page 67: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/67.jpg)
Practice 2: Is it convex or concave?C.
Convex or Concave
Copyright © 2010 Kelly Mott
D.
Convex or Concave
![Page 68: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/68.jpg)
Practice 3: Is it convex or concave?E.
Convex or Concave
Copyright © 2010 Kelly Mott
F.
Convex or Concave
![Page 69: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/69.jpg)
Practice 4: Is it convex or concave?G.
Convex or Concave
Copyright © 2010 Kelly Mott
H.
Convex or Concave
![Page 70: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/70.jpg)
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Part 5: Turning Point Quiz
Copyright © 2010 Kelly Mott
![Page 72: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/72.jpg)
Name the Polygon:
Deca
gon
Hepta
gon
Triangle
0% 0%0%
1. Decagon2. Heptagon3. Triangle
Copyright © 2010 Kelly Mott
10
![Page 73: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/73.jpg)
Name the Polygon:
Hexa
gon
Pentagon
Hepta
gon
0% 0%0%
1. Hexagon2. Pentagon3. Heptagon
Copyright © 2010 Kelly Mott
5
![Page 74: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/74.jpg)
Name the Polygon:
Octa
gon
Nonagon
Deca
gon
0% 0%0%
1. Octagon2. Nonagon3. Decagon
Copyright © 2010 Kelly Mott
8
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Name the Polygon:
Square
Rectangle
Triangle
0% 0%0%
1. Square2. Rectangle3. Triangle
Copyright © 2010 Kelly Mott
3
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Name the Polygon:
Octa
gon
Square
Hepta
gon
33% 33%33%
Copyright © 2010 Kelly Mott
1. Octagon2. Square3. Heptagon
4
![Page 77: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/77.jpg)
Name the Polygon:
Hexa
gon
Pentagon
Nonagon
0% 0%0%
1. Hexagon2. Pentagon3. Nonagon
Copyright © 2010 Kelly Mott
6
![Page 78: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/78.jpg)
Name the Polygon:
recta
ngle
square
decago
n
33% 33%33%
Copyright © 2010 Kelly Mott
1. rectangle2. square3. decagon
4
![Page 79: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/79.jpg)
Name the Polygon:
Hexa
gon
Hepta
gon
Octa
gon
0% 0%0%
1. Hexagon2. Heptagon3. Octagon
Copyright © 2010 Kelly Mott
7
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Name the Polygon:
Nonagon
Pentagon
Deca
gon
0% 0%0%
1. Nonagon2. Pentagon3. Decagon
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9
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Is it Convex or Concave?
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1. Convex2. Concave
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Is it Convex or Concave?
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1. Convex2. Concave
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Is it Convex or Concave?
Copyright © 2010 Kelly Mott
1. Convex2. Concave
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Is it Convex or Concave?
Copyright © 2010 Kelly Mott
1. Convex2. Concave
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Is it Convex or Concave?
Copyright © 2010 Kelly Mott
Convex
Concave
50%50%1. Convex2. Concave
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Is it Convex or Concave?
Convex
Concave
50%50%
Copyright © 2010 Kelly Mott
1. Convex2. Concave
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Is it Convex or Concave?
Copyright © 2010 Kelly Mott
Convex
Concave
50%50%1. Convex2. Concave
![Page 88: Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott.](https://reader037.fdocuments.in/reader037/viewer/2022103122/56649cf95503460f949c9ff8/html5/thumbnails/88.jpg)
Is it Convex or Concave?
Convex
Concave
50%50%
Copyright © 2010 Kelly Mott
1. Convex2. Concave
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Copyright © 2010 Kelly Mott
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How did you do?
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Copyright © 2010 Kelly Mott
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CLASSWORK/HOMEWORKEveryday Math Journal Page: 10
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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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CLASSWORK/HOMEWORKPoster Showing Types of Polygons
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Polygons
Copyright © 2010 Kelly Mott
9 squarenonagon decagon
octagon
heptagon
triangle
rectangle
hexagon
pentagon
9
5
38
10
6
74
4
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Polygons
Copyright © 2010 Kelly Mott
99
5
38
10
6
7 4
4
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Poster Showing Convex and Concave
Convex Concave
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Copyright © 2010 Kelly Mott
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