Identifying 2D Shapes in 3D Figures: Lesson for Kids

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• 0:06 2D Shapes vs. 3D Shapes
• 0:59 Examples of 2D Shapes
• 1:32 Finding 2D Shapes in…
• 2:30 Multiple 2D Shapes in…
• 2:50 Lesson Summary

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Lesson Transcript
Instructor: Emily Hume

Emily is a Reading Specialist and Literacy coach in a public elementary school with a Master's Degree in Elementary Education.

There are shapes all around you! In this lesson, you will learn the difference between a two dimensional and a three dimensional shape. You will also learn how to identify 2D shapes in 3D figures!

2D Shapes vs. 3D Shapes

Grab a piece of paper real quick and draw a circle on it. I'll do the same here on the screen. Got your circle? Good. Now look around the room and see if you can find a ball of some sort; a basketball, baseball, even a bouncy ball will do. Now which one would you rather play with? The circle or the ball? The ball, right? You can pick it up, bounce it, throw it, or roll it. What can you do with the circle? Nothing much. You can look at it and that's about it!

You've just learned the difference between a 2D shape and a 3D shape. The circle is a two-dimensional (2D) shape. It only has two measurements, such as length and height, and is usually called a 'flat' shape. The ball, however, is a three-dimensional (3D) shape because it has three measurements (length, height, and width) and is sometimes called a 'solid' shape.

Examples of 2D Shapes

Let's see if we can find some examples of 2D shapes. Take another look around the room you're in. Can you find some of these shapes?

If you're looking for a triangle, you could go make a sandwich and cut it from corner to corner. Then you'll have two triangles! Want to find a square? Check out your picture frames or windows. To find a rectangle, go check out your television, kitchen table, desk, or even a book! If you're looking for a circle, look no further than your glass of water. The bottom and the top are probably a circle shape!

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