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# Sum the Numbers from 1 to 100

When Gauss's teacher asked the class to find the sum of the numbers from 1 to 100, he quickly realized a relationship and discovered a formula that made finding the answer easy. Share this video with young mathematicians after posing the problem in class.

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##### Instructional Ideas

- Ask your class to find the sum of the numbers from 1 to 100 prior to showing the video
- Allow students to share their techniques, or make it a race to see who can find the correct answer first

##### Pros

- The video shows a clear explanation of how to find the correct answer most efficiently

##### Cons

- None

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