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Math for Kids23 chapters | 325 lessons

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Instructor:
*Rayna Cummings*

Rayna has taught Elementary Education for 12 years (in both 1st, 2nd, and 3rd grades) and holds a M.Ed in Early Childhood Education from The Ohio State University

Did you know there are faces in math? In this lesson, you will learn what a face in math means, the types of faces of math, and how to find different faces of math around you. Let's get going and learn all about faces in math!

Did you know that shapes have a face? No, I do not mean a face with two eyes, a nose, and a mouth. I mean a face of a shape, or the flat surface of a shape that you can trace and see. This face is known as a face in math.

**Plane shapes** in math mean any closed, flat, two-dimensional shape. All plane shapes have a face, because you can trace the shape of all plane shapes.

Look at the picture below:

All of these shapes have faces:

A triangle has a triangle face.

A rectangle has a rectangle face.

A diamond has a diamond face.

A circle has a circle face.

A square has a square face.

An oval has an oval face.

Now take a minute and find some shapes around your house that have plane shapes you can trace to show you the face.

For example, you may have found a dinner plate you eat on. If you traced the shape of the dinner plate, you would see that it has a circle face.

**Solid shapes** in math mean any object that is three-dimensional with a width, height, and depth. To get the face of a solid shape, you would need to trace the flat side of the solid shape. All plane shapes have faces, but not all solid shapes have a face. Actually, some solid shapes have more than one face, or don't even have a face at all.

Look at the picture below:

As you can see with the picture:

A pyramid has four triangle faces and one square face.

A **sphere** (or a ball shape) has no faces.

A cube has all square faces (totaling six square faces).

Now take a minute and find some solid shapes around your house that you can trace to show their face or many faces.

For example, you could have found some dice. See the picture below of dice.

Dice are an example of a solid shape known as a cube, and if you traced its flat sides you would have six square faces.

In this lesson, you learned that a face in math is the flat surface of a shape that you can trace and see. You learned you can find the face of math on either a **plane shape** or a **solid shape**. Furthermore, all plane shapes have a face, whereas solid shapes can have one face, multiple faces, or even no faces.

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12 in chapter 10 of the course:

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Math for Kids23 chapters | 325 lessons

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- Definition of Like Denominators
- What Does Attribute in Math Mean? - Definition & Examples
- What is Breadth in Math?
- What is a Chord in Math?
- What is a Cluster in Math? - Definition & Examples
- What Does Difference in Math Mean? 2:17
- What is a Dimension in Math?
- What is an Edge in Math?
- What is an Element in Math?
- Equation Lesson for Kids: Definition & Examples 3:49
- Exponent Definition: Lesson for Kids
- What is a Face in Math?
- What is Infinity in Math?
- Integers Lesson for Kids
- What is an Interval in Math? 3:40
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- Definition of Net in Math
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- What is a Proper Factor in Math?
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