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5 Απρ 2010 · Technique 1: Pair Numbers. Pairing numbers is a common approach to this problem. Instead of writing all the numbers in a single column, let’s wrap the numbers around, like this: 1 2 3 4 5. 10 9 8 7 6. An interesting pattern emerges: the sum of each column is 11. As the top row increases, the bottom row decreases, so the sum stays the same.
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The sum of all natural numbers 1 to 100 can be calculated using the formula, S= n/2[2a + (n − 1) × d], where n is the total number of natural numbers from 1 to 100, d is the difference between the two consecutive terms, and a is the first term.
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23 Νοε 2022 · These factor charts provide students with the factors or prime factorization of each number from 1 to 100. My algebra students find these factor charts especially useful when we are factoring trinomials or simplifying radicals.
