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Área: Math Asignatura: Math Curso: 3
th th
Fecha: August 13 -19 Periodo III Nº Horas: 5hr Semana: 6
Docente: Gerardo Núñez Coronado
Tema: Polygons
Indicador Identify and classify polygons
de Logro
Exploración LOOK AT THE PICTURE. CIRCLE THE POLYGONS.
Contextualización
Watch the following video:
http://www.youtube.com/watch?v=TwvDSWfXVpU POLYGONS
Conceptualización
VOCABULARY
EMOCIÓN
WHAT IS A POLYGON?
A polygon is a closed figure made up of straight line segments. Each line
segment on a polygon is a side. Each corner, or vertex, of a polygon forms an
angle. The point of where the sides meet is called a vertex. (vertices means
more than one vertex ).

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HERE ARE SOME EXAMPLES OF POLYGONS
Producción
ACCIÓN

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Modelación
ACTIVITY
IS EACH FIGURE BELOW A POLYGON? IF NOT, EXPLAIN WHY NOT.
j. How many sides are there in the polygon shown on the
geoboard? How many angles?
USE A GEOBOARD OR DOT PAPER
k. Make a polygon with 3 sides. How many angles are there?
l. try to make a polygon with 2 sides. Is it posible? Explain.
Workshop
QUADRILATERALS AND OTHERS POLYGONS
Name each polygon. If the polygon is a quadrilateral, write all names that apply.

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SHAPE DEFINITIONS
On the lines provided, write the letter of the shape that each definition
describes
Lectura Complementaria:
http://www.ixl.com/math/grade-3/is-it-a-polygon
Bibliografía :
http://www.harcourtschool.com
http://www.ixl.com