Look at the shapes below. How do I know which ones are pentagons?

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Presentation transcript:

Look at the shapes below. How do I know which ones are pentagons?

In this lesson you will learn how to identify pentagons by finding shapes with 5 straight sides that meet at 5 corners.

Core Lesson A pentagon has 5 sides!

Let’s find the pentagon Which one has 5 sides? The shape on the left is the pentagon!

Let’s Review All 5 sides of a pentagon must be straight!

Core Lesson Let’s find the pentagons. Which one does not have 5 straight sides? The shape in the middle is not a pentagon!

Let’s Review All sides must meet or connect!

Core Lesson Let’s find the pentagons. Which one does not have 5 corners? The shape on the left is not a pentagon!

A Common Misunderstanding This is not a pentagon!

Core Lesson Look at the shapes below. Which ones are pentagons?

Core Lesson You can identify a pentagon! Pentagons have 5 sides. 1 All sides are straight. 2 All sides meet at a corner. 3

In this lesson you learned how to identify pentagons by finding shapes with 5 straight sides that meet at 5 corners.