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Math for Kids23 chapters | 325 lessons

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Lesson Transcript

Instructor:
*Shelly Merrell*

Shelly has a Master's of Education. Most recent professional experience is an educational diagnostician. Prior, she taught for 8 years.

Diamond shapes have many interesting attributes. In this lesson, we'll explore the diamond shape and learn about its properties, as well as the various places they show up in real life.

Shapes are all around us! A **shape** is the outer boundary of an object and is made up of curves or lines. We are all familiar with basic shapes, like circles, squares, and triangles, but what about the diamond? Here's a poem that will help us begin to understand this fun shape.

*Danny Diamond*

I am Danny Diamond

I am like a kite

But I'm really just a square

Who's corners are pulled tight.

Diamonds are unique shapes because they have many different geometric attributes. A diamond is a quadrilateral, a 2-dimensional flat figure that has four closed, straight sides. But a diamond is also categorized as **rhombus**, because it has four equal sides and its opposite angles are equal. And, because its opposite sides are parallel, it's also considered to be a **parallelogram**.

Since a diamond is a rhombus, then are all rhombuses diamonds? Not necessarily. This is a hot topic in the math world, with many different opinions. Some people feel that diamond is just a common term for rhombus, but others think that it's a more important difference because rhombus is a clearly defined mathematical term but cannot always be replaced with the word 'diamond.' Usually, 'diamond' is the term used to introduce the shape to younger students, while 'rhombus' is used in higher level math classes.

A diamond is an important shape that can be found everywhere. You can find diamond shapes in everyday objects, like blocks or playing cards. Diamonds can be found on clothing, like sweaters and socks, when an argyle pattern is woven into the fabric. Another common place to find a diamond shape is at a baseball game. Just look at the field - it's shaped like a diamond!

A **diamond** is a two-dimensional flat **quadrilateral** with four closed straight sides. A diamond is also called a rhombus because it's sides are of equal measure and because the inside opposite angles are equal. Diamonds are also considered to be **parallelograms** because their opposite sides are parallel to each other. Some people use the term 'diamond' when they're talking about all rhombuses, but others don't feel that all rhombuses are necessarily diamonds. Usually, the word 'diamond' is used for younger students when learning shapes and the word 'rhombus' is used for older students. Diamond shapes can be found outside of the math classroom. You can see them in toys like blocks, on clothing when an argyle pattern is used, or even on a baseball field.

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Math for Kids23 chapters | 325 lessons

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- Geometric Shapes: Lesson for Kids
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