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	<title>
	Comments on: Kate&#8217;s Urban Legend	</title>
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	<description>less helpful</description>
	<lastBuildDate>Wed, 26 Jan 2011 00:06:45 +0000</lastBuildDate>
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		<title>
		By: louise		</title>
		<link>/2011/kates-urban-legend/#comment-275826</link>

		<dc:creator><![CDATA[louise]]></dc:creator>
		<pubDate>Wed, 26 Jan 2011 00:06:45 +0000</pubDate>
		<guid isPermaLink="false">/?p=9228#comment-275826</guid>

					<description><![CDATA[Oh you can order complex numbers. They just don&#039;t obey (sort of like students).]]></description>
			<content:encoded><![CDATA[<p>Oh you can order complex numbers. They just don&#8217;t obey (sort of like students).</p>
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		<title>
		By: Matthew Bardoe		</title>
		<link>/2011/kates-urban-legend/#comment-275743</link>

		<dc:creator><![CDATA[Matthew Bardoe]]></dc:creator>
		<pubDate>Tue, 25 Jan 2011 04:51:56 +0000</pubDate>
		<guid isPermaLink="false">/?p=9228#comment-275743</guid>

					<description><![CDATA[What it also reminds us is how far we have taken the concept of complex numbers from &#039;real world&#039; applications. Most students, and probably most teachers have no idea of any real context to put with this topic. 

Thus, if someone is asked to create a complex number problems with context they create the kind of hash we see here.]]></description>
			<content:encoded><![CDATA[<p>What it also reminds us is how far we have taken the concept of complex numbers from &#8216;real world&#8217; applications. Most students, and probably most teachers have no idea of any real context to put with this topic. </p>
<p>Thus, if someone is asked to create a complex number problems with context they create the kind of hash we see here.</p>
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		<title>
		By: Michael Paul Goldenberg		</title>
		<link>/2011/kates-urban-legend/#comment-275701</link>

		<dc:creator><![CDATA[Michael Paul Goldenberg]]></dc:creator>
		<pubDate>Mon, 24 Jan 2011 19:01:34 +0000</pubDate>
		<guid isPermaLink="false">/?p=9228#comment-275701</guid>

					<description><![CDATA[I&#039;m not buying the legend, either. I AM glad someone mentioned on the original thread that complex numbers aren&#039;t ordered, a fact that makes the whole notion of adding them or subtracting them to see who has &quot;more&quot; runs (or how many more runs someone has) rather doubtful. 

Of course, one can compare the modulus of one complex number to that of another. Maybe in polar form, some sort of game can be devised to make the addition somewhat more sensible, but off-hand it seems like that would be beyond the capabilities of the authors of high-stakes tests (and WELL beyond their goals and those of their masters. That, ultimately, is the point here, I think: this problem is CLASSIC pseudo-context because it&#039;s so glaringly obviously slapped on because someone somewhere said, &quot;Let &#039;em have &#039;real world&#039; problems whenever possible.&quot;]]></description>
			<content:encoded><![CDATA[<p>I&#8217;m not buying the legend, either. I AM glad someone mentioned on the original thread that complex numbers aren&#8217;t ordered, a fact that makes the whole notion of adding them or subtracting them to see who has &#8220;more&#8221; runs (or how many more runs someone has) rather doubtful. </p>
<p>Of course, one can compare the modulus of one complex number to that of another. Maybe in polar form, some sort of game can be devised to make the addition somewhat more sensible, but off-hand it seems like that would be beyond the capabilities of the authors of high-stakes tests (and WELL beyond their goals and those of their masters. That, ultimately, is the point here, I think: this problem is CLASSIC pseudo-context because it&#8217;s so glaringly obviously slapped on because someone somewhere said, &#8220;Let &#8217;em have &#8216;real world&#8217; problems whenever possible.&#8221;</p>
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		<title>
		By: Kate Nowak		</title>
		<link>/2011/kates-urban-legend/#comment-275659</link>

		<dc:creator><![CDATA[Kate Nowak]]></dc:creator>
		<pubDate>Mon, 24 Jan 2011 01:33:20 +0000</pubDate>
		<guid isPermaLink="false">/?p=9228#comment-275659</guid>

					<description><![CDATA[Oh come on. Don&#039;t you kind of love the idea of a math problem SO BAD it spawned an urban legend? Just BELIEVE.]]></description>
			<content:encoded><![CDATA[<p>Oh come on. Don&#8217;t you kind of love the idea of a math problem SO BAD it spawned an urban legend? Just BELIEVE.</p>
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