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karendcampe.wordpress.com | ||
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jaydaigle.net
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| | | | | We continue our exploration of what numbers are, and where mathematicians keep finding weird ones. In the first three parts we extended the natural numbers in two ways: algebraically and analytically. Those approaches gave overlapping but distinct sets of numbers. This week we combine them to get the complex numbers, and see some hints of why the complex numbers are so useful-and so frustrating. | |
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blog.mathed.page
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| | | | | I have written about geometric construction a number of times on this blog, and on my website. I outlined my philosophical outlook on this topic here. Today I summarize some construction activities, a subset of the unit you can find on my website. ---------------------------------- Geometric construction with straightedge and compass is a standard topic in... | |
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findthefactors.com
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| | | | | Ladies and gentlemen welcome to the Playful Math Education Blog Carnival! This month's carnival features the versatile number 135. It is the smallest number whose digits are the first three odd numbers. Watch 135 perform these AMAZING stunts: 135 =1?x3³x5¹ 135 = (1+3+5)(1×3×5) 135 = 1¹ + 3² +5³ 135 made that last one look... | |
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marctenbosch.com
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