Instructional Video1:26
Curated OER

Binary Code

6th - 8th
A goofy upper grader explains to viewers what binary code is and how it works to tell the computer what to do. He does a good job of explaining how the code works and what each 1 and 0 represent. Because he mentions base 2 this could be...
Instructional Video2:36
Curated OER

Number System Relationships

2nd - 5th
Build a strong number system relationships with your class by viewing this video. Natural, whole, integers, and rational numbers are shown as a series off cups that fit into each other.