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Lesson Plans and Worksheets for Grade 3

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More Lessons for Grade 3

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

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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