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# Arithmetic series worksheet

Try a few problems where you'll be asked to evaluate finite arithmetic series.

# Practice evaluating arithmetic series

## Problem 1

sum, start subscript, k, equals, 1, end subscript, start superscript, 275, end superscript, left parenthesis, minus, 5, k, plus, 12, right parenthesis, equals

## Problem 2

The arithmetic sequence a, start subscript, i, end subscript is defined by the formula:
a, start subscript, 1, end subscript, equals, 2
a, start subscript, i, end subscript, equals, a, start subscript, i, minus, 1, end subscript, minus, 3
Find the sum of the first 335 terms in the sequence.

## Problem 3

Find the sum of minus, 50, plus, left parenthesis, minus, 44, right parenthesis, plus, left parenthesis, minus, 38, right parenthesis, plus, point, point, point, plus, 2038, plus, 2044.