Explaining the Sum of a Sequence
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You want to explain 2+ 4 + 6 + . . . + 2n = n (n + 1), to a class of students with diverse learning styles.
Use the Four-Step Problem-Solving Process:
1) State the problem in words.
2) What are you trying to find?
3) What are the unknowns?
4) What information do you obtain from the problem?
5) Give an example of the problem.
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Solution Summary
The solution explains the sum of a sequence.
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1) State the problem in words.
The sum of any even integers can be calculated using the formula N(N+1).
2) What are you trying to find?
We are trying to find the SUM OF EVEN INTEGERS.
3) What are the unknowns?
The value of n is unknown. ...
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