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PBS
Solving the Wolverine Problem with Graph Coloring
At one time, Wolverine served on four different superhero teams. How did he do it? He may have used graph coloring.
Curated Video
Courage and Determination: Exploring the Universe of Values and Good Manners
In this video, Nova takes kids on an intergalactic adventure to explore the universe of values and good manners. They learn about courage and how to face their fears through determination and willpower. Nova shares personal stories and...
Crash Course
The Constitution, the Articles, and Federalism
Check out this entertaining, speedy, and highly informative overview of the founding stages of the United States government. The video includes a detailed discussion of the limitations of the Articles of Confederation, the eventual...
Khan Academy
Khan Academy: Addition and Subtraction Word Problems: Superheroes
Sal solves 1 addition and 1 subtraction word problem involving superheroes and sea monsters. Includes a video, transcript, and question and answer section. [3:37]
Khan Academy
Khan Academy: Word Problems Within 20
Watch Sal solve one addition word problem and one subtraction word problem in this video. [3:37]