23
Center for the Mathematics
Education of Latinos/as
Related Homework Assignment
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Description
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What is the sum of all the
integers from 1 to 7,399?
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Approach of Gauss:
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1 + 2 + É + 8 + 9
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= (1 + 9) + (2 + 8) + (3 + 7)
+ (4 + 6) + 5
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= 4(10) + 5
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Sample of TeacherÕs Work
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