Activity
Computer Science Unplugged

Divide and Conquer—Santa’s Dirty Socks

For Teachers 4th - 12th Standards
The story "Santa's Dirty Socks" provides learners an example of a search algorithm that uses a divide and conquer system similar to a binary search algorithm. The included questions expand upon the concepts that follow the story.
Activity
Computer Science Unplugged

Lightest and Heaviest—Sorting Algorithms

For Teachers 3rd - 12th Standards
How do computers sort data lists? Using eight unknown weights and a balance scale, groups determine the order of the weights from lightest to heaviest. A second worksheet provides the groups with other methods to order the weights. The...
Lesson Plan
TryEngineering

Recursion: Smaller Sibling Pyramids

For Teachers 3rd - 6th Standards
Get siblings to do your work. Scholars learn how to perform summations of arithmetic sequences in an innovative lesson plan. They use iterations, smaller siblings (tail-end recursion), and the divide-and-conquer approach.
Activity
Computer Science Unplugged

Tourist Town—Dominating Sets

For Teachers 2nd - 8th
As an introduction to using a network to determine the fewest number of nodes that meet a given condition, small groups work together to determine the fewest number of ice cream vans, and their locations, to be able to serve the people...

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