Snazzy Triangle

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There is a number 6 on the tip of the triangle. Arrange the numbers 1, 2, 3, 4 and 5 such that the sum of each side of the triangle is 12.

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Extensions:

  • Rearrange the numbers 1 through 6 so that the sum of each side of the triangle is 9.
  • Rearrange the numbers 1 through 6 so that the sum of each side of the triangle is 10.
  • What other numbers is it possible for the three sides to sum to by rearranging the numbers 1 through 6?
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The Math in This Problem:

Snazzy Triangle is a simple test on the basic understanding of arithmetic operations. In this investigation, students will work with the numbers 1 through 6 and arrange them on a 6-unit triangle. The order of these numbers will have to be precise so that the sums of each side are equivalent to the numbers that students are presented with.

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