#### Write 1 + 2 + 3 + ... + 10 using sigma notation

Anonymous

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Sangeetha Pulapaka

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STEP 1: Recall what is summation notation

http://www.columbia.edu/itc/sipa/math/summation.html

STEP 2:

The first term is 1

The second term is 2

The third term is 3

etc

Generally, the n'th term = n

and there are 10 terms, so n goes from 1 to 10 . This is expressed by the notation.

\sum_{n=1}^{10} n

Skills to recall:

What are terms