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Manual addition was for suckers, and Gauss found a formula to sidestep the ... The above method works, but you handle odd and even numbers differently.

mathcentral.uregina.ca/qq/database/qq.02.06/jo1.html

In elementary school in the late 1700's, Gauss was asked to find the sum of the numbers from 1 to 100. The question was assigned as “busy work” by the teacher  ...

nzmaths.co.nz/gauss-trick-staff-seminar

Getting started Can you add up the first 10 numbers in your head? ... Now Carl Friedrich Gauss was a special mathematician. .... Method 1: We could write out the numbers from 8 to 93 in the normal order and then write .... In other word, sets of numbers where there is a common difference between consecutive numbers.

nrich.maths.org/2478

Gauss could have used his method to add all the numbers from 1 to any number - by pairing off the first number with the last, the second number with the second ...

Jan 29, 2012 ... Topic: The sum 1+2+3+4+...+n What you should know: - Elementary operations.

Students will learn how to find the sum of consecutive, positive integers ... Try adding up all the numbers between 1 and 23 by copying Gauss' method before.

mathandmultimedia.com/2010/09/15/sum-first-n-positive-integers

Sep 15, 2010 ... Carl Friedrich Gauss was one of the most prolific mathematicians of all time. ... Since it is very hard to add 100 numbers at once, we start with smaller numbers and see if we ... Solving Number Problems Using Model Method.

www.nctm.org/Publications/Teaching-Children-Mathematics/Blog/The-Story-of-Gauss

Oct 10, 2014 ... Gauss recognized he had fifty pairs of numbers when he added the first ... for finding the sum of a series of consecutive numbers: n(n + 1)/2.