Everyday Math Grade 4 – Lesson 1.5 Polygons Copyright © 2010 Kelly Mott
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
Math Boxes Lesson 1.5
Copyright © 2010 Kelly Mott Math Box 1: 100 Th 10 Th HTO
Copyright © 2010 Kelly Mott Math Box 2:
Copyright © 2010 Kelly Mott Math Box 3:
Copyright © 2010 Kelly Mott Math Box 4:
Copyright © 2010 Kelly Mott Math Box 5:
Copyright © 2010 Kelly Mott Math Box 6:
Copyright © 2010 Kelly Mott GEOMETRY REVIEW
A Copyright © 2010 Kelly Mott Name the Figure Point
BA Copyright © 2010 Kelly Mott Name the Figure Line Segment
ABC Copyright © 2010 Kelly Mott Name the Figure Line
BA Copyright © 2010 Kelly Mott Name the Figure Ray
A B C Name the Angle Copyright © 2010 Kelly Mott Right Angle 90 degrees
Copyright © 2010 Kelly Mott Name the Angle Acute Angle Less than 90 degrees
Copyright © 2010 Kelly Mott Name the Angle Obtuse Angle Greater than 90 degrees and less than 180 degrees
Copyright © 2010 Kelly Mott Name the Angle Straight Angle 180 degrees
Name the Triangle Copyright © 2010 Kelly Mott Right Triangle
Name the Triangle Copyright © 2010 Kelly Mott Isosceles Triangle
Name the Triangle Copyright © 2010 Kelly Mott Equilateral Triangle
Name the Triangles Copyright © 2010 Kelly Mott Scalene Triangle
Name the Quadrangle 4 Copyright © 2010 Kelly Mott Rectangle
Name the Quadrangle 4 Copyright © 2010 Kelly Mott Square
Name the Quadrangle Copyright © 2010 Kelly Mott Rhombus
Name the Quadrangle 4 Copyright © 2010 Kelly Mott Trapezoid
Name the Quadrangle 4 Copyright © 2010 Kelly Mott Kite
What kind of lines are these? Copyright © 2010 Kelly Mott Parallel Lines
These are all parallelograms: Parallelograms Copyright © 2010 Kelly Mott rectanglerhombus parallelogram square
These are not parallelograms: Not Parallelograms Copyright © 2010 Kelly Mott kitetrapezoid
Copyright © 2010 Kelly Mott Lesson 1.5 Skill: Polygons
Part 1: What is a polygon? Copyright © 2010 Kelly Mott
Video: eometryandmeasurement/polygo ns/ Copyright © 20010Kelly Mott
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
Practice 1: Is it a polygon? A. Yes or No Copyright © 2010 Kelly Mott B. Yes or No
Practice 2: Is it a polygon? C. Yes or No Copyright © 2010 Kelly Mott D. Yes or No
Practice 3: Is it a polygon? E. Yes or No Copyright © 2010 Kelly Mott F. Yes or No
Practice 4: Is it a polygon? G. Yes or No Copyright © 2010 Kelly Mott H. Yes or No
Part 2: Special Polygons Copyright © 2010 Kelly Mott
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
Circle all of the Triangles (6) Copyright © 2010 Kelly Mott
A rectangle has _____ sides, _____vertices, and _____ angles. Rectangle Copyright © 2010 Kelly Mott
Circle all of the Rectangles (5) Copyright © 2010 Kelly Mott
A square has _____ sides, _____vertices, and _____ angles. Square Copyright © 2010 Kelly Mott
Circle all of the Squares (5) Copyright © 2010 Kelly Mott
A pentagon has _____ sides, _____vertices, and _____ angles. Pentagon Copyright © 2010 Kelly Mott
Circle all of the Pentagons (5) Copyright © 2010 Kelly Mott
A hexagon has _____ sides, _____vertices, and _____ angles. Hexagon Copyright © 2010 Kelly Mott
Circle all of the Hexagons (5) Copyright © 2010 Kelly Mott
A heptagon has _____ sides, _____vertices, and _____ angles. Heptagon Copyright © 2010 Kelly Mott
Circle all of the Heptagons (5) Copyright © 2010 Kelly Mott
A octagon has _____ sides, _____vertices, and _____ angles. Octagon Copyright © 2010 Kelly Mott
Circle all of the Octagons (4) Copyright © 2010 Kelly Mott
A nonagon has _____ sides, _____vertices, and _____ angles. Nonagon Copyright © 2010 Kelly Mott
Circle all of the Nonagons (3) Copyright © 2010 Kelly Mott
A decagon has _____ sides, _____vertices, and _____ angles. Decagon Copyright © 2010 Kelly Mott
Circle all of the Decagons (3) Copyright © 2010 Kelly Mott
Part 3: Match the Polygons Copyright © 2010 Kelly Mott
Pentagon Decagon Heptagon Match the Polygons 1 Copyright © 2010 Kelly Mott
Square Octagon Nonagon Match the Polygons 2 Copyright © 2010 Kelly Mott
Hexagon Rectangle Triangle Match the Polygons 3 Copyright © 2010 Kelly Mott
Part 4: Convex and Concave Polgons Copyright © 2010 Kelly Mott
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
Practice 1: Is it convex or concave? A. Convex or Concave Copyright © 2010 Kelly Mott B. Convex or Concave
Practice 2: Is it convex or concave? C. Convex or Concave Copyright © 2010 Kelly Mott D. Convex or Concave
Practice 3: Is it convex or concave? E. Convex or Concave Copyright © 2010 Kelly Mott F. Convex or Concave
Practice 4: Is it convex or concave? G. Convex or Concave Copyright © 2010 Kelly Mott H. Convex or Concave
Part 5: Turning Point Quiz Copyright © 2010 Kelly Mott
Name the Polygon: 1.Decagon 2.Heptagon 3.Triangle Copyright © 2010 Kelly Mott 10
Name the Polygon: 1.Hexagon 2.Pentagon 3.Heptagon Copyright © 2010 Kelly Mott 5
Name the Polygon: 1.Octagon 2.Nonagon 3.Decagon Copyright © 2010 Kelly Mott 8
Name the Polygon: 1.Square 2.Rectangle 3.Triangle Copyright © 2010 Kelly Mott 3
Name the Polygon: Copyright © 2010 Kelly Mott 1.Octagon 2.Square 3.Heptagon 4
Name the Polygon: 1.Hexagon 2.Pentagon 3.Nonagon Copyright © 2010 Kelly Mott 6
Name the Polygon: Copyright © 2010 Kelly Mott 1.rectangle 2.square 3.decagon 4
Name the Polygon: 1.Hexagon 2.Heptagon 3.Octagon Copyright © 2010 Kelly Mott 7
Name the Polygon: 1.Nonagon 2.Pentagon 3.Decagon Copyright © 2010 Kelly Mott 9
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Is it Convex or Concave? Copyright © 2010 Kelly Mott 1.Convex 2.Concave
Copyright © 2010 Kelly Mott
How did you do? Copyright © 2010 Kelly Mott
CLASSWORK/HOMEWORK Everyday Math Journal Page: 10 Copyright © 20010Kelly Mott
Copyright © 2010 Kelly Mott HOMEWORK
Copyright © 2010 Kelly Mott HOMEWORK
Copyright © 2010 Kelly Mott HOMEWORK
Copyright © 2010 Kelly Mott
CLASSWORK/HOMEWORK Poster Showing Types of Polygons Copyright © 20010Kelly Mott
Polygons Copyright © 2010 Kelly Mott 9 square nonagondecagon octagon heptagon triangle rectangle hexagon pentagon
Polygons Copyright © 2010 Kelly Mott
Poster Showing Convex and Concave Convex Concave Copyright © 2010 Kelly Mott