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Cool Math
Coolmath: Coolmath4kids: Orbit Integers
Add positive and negative numbers in this multiplayer space race!
PBS
Pbs Learning Media: Cyberchase: Competing for the Northern Hemisphere Games
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]