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Subtopic: Numbers Properties

Resource Grade Level Media Type
Importance of the Origin  

Importance of the Origin
The CyberSquad tries to rescue the Cyberchase Council, which is being held captive by Hacker in this video segment from Cyberchase.

4-8 QuickTime Video
Introduction to Negative Numbers  

Introduction to Negative Numbers
Students are introduced to the concept of negative numbers through simple equations and the use of a number line that is extended beyond zero in the negative (left) direction.

4-8 Lesson Plan
Inventing Negative Numbers  

Inventing Negative Numbers
In this Cyberchase video segment, the CyberSquad locates the Cyberchase Council by using negative numbers.

4-8 QuickTime Video