Compare and Classify Polygons
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Lesson Plans and Worksheets for Grade 3
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Common Core For Grade 3
Videos, examples, and solutions to help Grade 3 students learn how to compare and classify polygons.
Common Core Standards: 3.G.1
New York State Common Core Math Grade 3, Module 7, Lesson 5
Types of Polygons:
Regular Polygon: All sides are equal
Triangle: 3 sided polygon
Square or Rectangle: 4 sided polygon
Pentagon: 5 sided polygon
Hexagon: 6 sided polygon
Heptagon: 7 sided polygon
Octagon: 8 sided polygon
Nanogon: 9 sided polygon
Decagon: 10 sided polygon
Dodecagon: 12 sided polygon
In this lesson, we will learn how to sort polygons by:
All sides are equal
All sides are not equal
At least 1 right angle
At least 1 set of parallel sides
Lesson 5 Homework
- Match the polygons with their appropriate clouds. A polygon can match to more than 1 cloud.
- The two polygons below are regular polygons. How are these polygons the same? How are they different?
- Lucia draws the polygons below. Are any of the polygons she drew regular polygons? Explain how you know.
Examples:
- Define the following polygons.
- Sort the following polygons.
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