Instructional Video6:25
Curated Video

Discovering Perimeter

K - 8th
Mr. Addit explains how to calculate the perimeter of a square and a rectangle. He then gives examples of calculating the perimeters of three-sided, five-sided, and six-sided shapes.
Instructional Video4:40
Curated Video

Interior and Exterior Angles Explained

3rd - Higher Ed
This video explains interior and exterior angles of a polygon. In particular: how to calculate interior and exterior angle, how to find the sum of interior or exterior angles, and how to find the number of sides of a polygon with just an...
Instructional Video5:48
Curated Video

Pythagoras’ Theorem Explained

3rd - Higher Ed
Pythagoras' Theorem Explanation: This video is an introduction lesson for Pythagoras' Theorem. Why is it useful to know Pythagoras' Theorem? What is a hypotenuse? Watch this video to find out. Practice questions and answers are at the...
Instructional Video3:43
Curated Video

Basic Angle Rules

3rd - Higher Ed
Angle Rules: This video explains the basic angle rules which are extremely helpful to know when solving geometry problems. Rules covered are: angles in a triangle, angles in a quadrilateral, angles on a straight line, angles around a...
Instructional Video5:24
Curated Video

Reflections

K - 8th
Mr. Addit explains the term reflection. He also reflects various plane shapes across the line of symmetry and examines the reflected images.
Instructional Video5:06
Curated Video

The Line of Symmetry

K - 8th
Mr. Addit explains the line of symmetry, and examines a variety of plane shapes to find lines of symmetry.
Instructional Video5:46
Curated Video

Let's Talk about Triangles

K - 8th
Mr. Addit describes the four main types of triangles and explains what makes each type unique. He models drawing the four different triangles.
Instructional Video7:29
Curated Video

Review for You: Classifying Lines, Angles, and Triangles

K - 8th
Mr. Addit reviews points, lines, angles, and triangles and how to classify them.
Instructional Video6:05
Curated Video

Three-Dimensional Shapes

K - 8th
Mr. Addit reviews two-dimensional plane shapes and introduces three-dimensional shapes and discusses their attributes.
Instructional Video5:40
Curated Video

Polygons and Quadrilaterals

K - 8th
Mr. Addit provides an introduction to polygons and quadrilaterals, and tells how polygons and quadrilaterals can be found in the environment.
Instructional Video7:14
Curated Video

Review for You: 2 and 3-Dimensional Figures

K - 8th
Mr. Addit reviews two and three dimensional figures.
Instructional Video6:08
Curated Video

A Closer Look at Fractions

K - 8th
Mr. Addit reviews fractions and explains how fractions are similar to probability ratios.
Instructional Video3:46
Amor Sciendi

Portrait of Paul Revere: Moral Consumerism

12th - Higher Ed
John Singleton Copley portrait of Paul Revere illustrates the ethical nature of creating luxury goods in pre-revolution America and how it lead to revolt.
Instructional Video4:43
Curated Video

Shapes + Shapes = Bigger Shapes

K - Higher Ed
“Shapes + Shapes = Bigger Shapes” demonstrates how to construct shapes and pictures from component shapes included in pattern block sets.
Instructional Video2:35
Curated Video

Representing Fractions Using Visual Models

3rd - 8th
This is a brief introduction of using visual models to represent fractions. Four different visual models are presented.
Instructional Video3:35
Curated Video

Transformations: Translations, Reflections, and Rotations

9th - Higher Ed
Transformations are a fundamental concept in mathematics, but they can be confusing for beginners. In this video, I'll give you a clear and concise introduction to translations, reflections, and rotations. You'll learn what...
Instructional Video2:31
Great Big Story

The Man Teaching Math Lessons in the Sky

12th - Higher Ed
Meet Winfred Randolph Lowe, known as "Randy the Kite Man," who combines his love for kites with his passion for teaching math. Join him on Delray Beach as he turns the sky into a canvas of geometric shapes and mathematical concepts,...
Instructional Video2:31
Great Big Story

The Man Teaching Math Lessons in the Sky

12th - Higher Ed
Meet Winfred Randolph Lowe, known as "Randy the Kite Man," who combines his love for kites with his passion for teaching math. Join him on Delray Beach as he turns the sky into a canvas of geometric shapes and mathematical concepts,...
Instructional Video6:01
Curated Video

Finding Missing Angle Measures Using Simple Equations and the Triangle Sum Theorem

9th - Higher Ed
In this video tutorial, students are guided through the process of finding missing angle measures in triangles using simple equations and the triangle sum theorem. The teacher demonstrates step-by-step how to solve for the unknown angles...
Instructional Video4:02
Curated Video

The Shapes Family by Cathleen Saxon

Pre-K - 5th
The Shapes Family lives in a world of shapes. Teach the shapes to your child as you trek through the events of the family! The wedding of King Hamisi (ha - me´-see) and Queen Tanya, the birth of Prince Sekou (sā ´- koo) and the Shapes...
Instructional Video7:47
Curated Video

DIY Christmas Craft Project: How To Make Quilted Ornaments

Pre-K - Higher Ed
We've got another DIY Holiday Craft project for you to help your Christmas tree stand out this year! 🎄 In this video, Jessie shows you how to make a Quilted Ornament! This is a unique project to showcase your crafty skills and it's a...
Instructional Video3:21
Curated Video

DIY Winter Craft Project: How To Make A Paper Snowflake

Pre-K - Higher Ed
Looking for an easy way to add some winter cheer to your home this holiday season? Check out this DIY project from Jessie! In this video, Jessie shows you how to make the perfect Paper Snowflake! This is a simple project you can do with...
Instructional Video5:58
Curated Video

4th of July Project: How To Make An American Flag Banner

Pre-K - Higher Ed
Independence Day is almost here! How do you plan to celebrate? If you're looking for a creative way to share your patriotism with others, check out this DIY project from Jessie. In this video, Jessie shows you How To Make An American...
Instructional Video6:19
Curated Video

How To Make A Popsicle Stick Catapult

Pre-K - Higher Ed
Want to make your own mini catapult at home? Check out this video tutorial! In this video, Jessie explains how to make a catapult using popsicle sticks, wooden skewers, and a few other household items. When you're done building, you can...