# Diamond Shapes: Lesson for Kids

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• 0:04 What Is a Diamond?
• 0:58 Diamond vs. Rhombus
• 1:30 Diamonds Are Everywhere
• 1:54 Lesson Summary

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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.

## What Is a Diamond?

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.

## Diamond vs. Rhombus

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.

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