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

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Presentation transcript:

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

Copyright © 2010 Kelly Mott Name the Angle Reflex Angle More than 180 degrees and less than 360 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

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

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

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

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

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 1

Practice 1: Is it a polygon? A. Yes or No Copyright © 2010 Kelly Mott B. Yes or No 2

Practice 2: Is it a polygon? C. Yes or No Copyright © 2010 Kelly Mott D. Yes or No 3

Practice 3: Is it a polygon? E. Yes or No Copyright © 2010 Kelly Mott F. Yes or No 4

Practice 4: Is it a polygon? G. Yes or No Copyright © 2010 Kelly Mott H. Yes or No 5

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 6

Circle all of the Triangles (6) Copyright © 2010 Kelly Mott 7

A rectangle has _____ sides, _____vertices, and _____ angles. Rectangle Copyright © 2010 Kelly Mott 8

Circle all of the Rectangles (5) Copyright © 2010 Kelly Mott 9

A square has _____ sides, _____vertices, and _____ angles. Square Copyright © 2010 Kelly Mott 10

Circle all of the Squares (5) Copyright © 2010 Kelly Mott 11

A pentagon has _____ sides, _____vertices, and _____ angles. Pentagon Copyright © 2010 Kelly Mott 12

Circle all of the Pentagons (5) Copyright © 2010 Kelly Mott 13

A hexagon has _____ sides, _____vertices, and _____ angles. Hexagon Copyright © 2010 Kelly Mott 14

Circle all of the Hexagons (5) Copyright © 2010 Kelly Mott 15

A heptagon has _____ sides, _____vertices, and _____ angles. Heptagon Copyright © 2010 Kelly Mott 16

Circle all of the Heptagons (5) Copyright © 2010 Kelly Mott 17

A octagon has _____ sides, _____vertices, and _____ angles. Octagon Copyright © 2010 Kelly Mott 18

Circle all of the Octagons (4) Copyright © 2010 Kelly Mott 19

A nonagon has _____ sides, _____vertices, and _____ angles. Nonagon Copyright © 2010 Kelly Mott 20

Circle all of the Nonagons (3) Copyright © 2010 Kelly Mott 21

A decagon has _____ sides, _____vertices, and _____ angles. Decagon Copyright © 2010 Kelly Mott 22

Circle all of the Decagons (3) Copyright © 2010 Kelly Mott 23

Part 3: Match the Polygons Copyright © 2010 Kelly Mott

Pentagon Decagon Heptagon Match the Polygons 1 Copyright © 2010 Kelly Mott 24

Square Octagon Nonagon Match the Polygons 2 Copyright © 2010 Kelly Mott 25

Hexagon Rectangle Triangle Match the Polygons 3 Copyright © 2010 Kelly Mott 26

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

Copyright © 2010 Kelly Mott Name the Angle Reflex Angle More than 180 degrees and less than 360 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

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

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

Name the Polygon 5 Copyright © 2010 Kelly Mott Pentagon

6 Copyright © 2010 Kelly Mott Name the PolygonHexagon

7 Copyright © 2010 Kelly Mott Name the PolygonHeptagon

8 Copyright © 2010 Kelly Mott Name the PolygonOctagon

9 Copyright © 2010 Kelly Mott Name the PolygonNonagon

10 Copyright © 2010 Kelly Mott Name the PolygonDecagon

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

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

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

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 1

Practice 1: Is it convex or concave? A. Convex or Concave Copyright © 2010 Kelly Mott B. Convex or Concave 2

Practice 2: Is it convex or concave? C. Convex or Concave Copyright © 2010 Kelly Mott D. Convex or Concave 3

Practice 3: Is it convex or concave? E. Convex or Concave Copyright © 2010 Kelly Mott F. Convex or Concave 4

Practice 4: Is it convex or concave? G. Convex or Concave Copyright © 2010 Kelly Mott H. Convex or Concave 5

Draw 2 Convex Shapes Copyright © 2010 Kelly Mott 6

Draw 2 Concave Shapes Copyright © 2010 Kelly Mott 7

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