Instructional Video7:11
Curated OER

Rectangular Coordinate System

4th - 6th
Everything you need to understand the rectangular coordinate system is explained in this easy to follow video. Great for elementary to middle schoolers learning about plotting points, graphing, and locating points on a coordinate grid....
Instructional Video0:55
Curated OER

Subtraction

2nd - 4th
A cute video on the basics of subtraction await! Efrin explains what subtraction is, what it isn't, and provides several simple examples of how subtraction works. A great video for younger learners just building a mathematical...
Instructional Video1:17
Curated OER

Odd Numbers

1st - 3rd
Peter from the number underground is here to tell your class a math secret. He explains odd numbers. This clip is super cute and engaging plus it does a great job providing rules to determine if a number is odd or not. The math...
Instructional Video1:38
Curated OER

Constants (2)

5th - 7th
Danny the penguin represents a constant and snow represents variables. This clip is wonderful for learners just starting to understand algebra. It is clear, provides concrete examples, and is totally cute. A great idea for expressing...
Instructional Video3:17
Curated OER

Point, Line, Plane, and Space - Geometry Help

3rd - 6th
Inform your teaching or use this clip at an independent work station. Basic geometric concepts of point, line, plane, and space are fully defined and exemplified in a straightforward and clear way. This clip is slow enough for note...
Instructional Video11:22
Curated OER

Algebra: Introduction to Algebra

8th - 12th
That old math tutor from is back and he is here to introduce the concept of algebra. This clip is actually quite clear and informative. Variables, constants, and algebra are defined along side solid examples. This clip would be good for...
Instructional Video1:53
Curated OER

Types of Polygons - Geometry Help

7th - 12th
If it has three sides it's a triangle! Learn about the different types of polygons and how they are classified by the number of sides they have. This clip clearly defines each type of polygon, but fails to show examples.
Instructional Video1:52
Curated OER

Radius, Chord, Diameter, and Secant

9th - 12th
What do a secant, chord, diameter, and radius all have in common? They are all components or measurements of a circle! This clip quickly defines each of these terms using verbal, written, and diagram examples.