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	<id>https://mathed.net/w/index.php?action=history&amp;feed=atom&amp;title=Douglas_Clements</id>
	<title>Douglas Clements - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://mathed.net/w/index.php?action=history&amp;feed=atom&amp;title=Douglas_Clements"/>
	<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;action=history"/>
	<updated>2026-09-19T17:57:25Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=1951&amp;oldid=prev</id>
		<title>Raymond Johnson: Update yearbook link</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=1951&amp;oldid=prev"/>
		<updated>2021-06-25T20:21:54Z</updated>

		<summary type="html">&lt;p&gt;Update yearbook link&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:21, 25 June 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], [[Douglas Clements|Clements, D. H.]], [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. &amp;#039;&amp;#039;[[ZDM]]&amp;#039;&amp;#039;, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], [[Douglas Clements|Clements, D. H.]], [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. &amp;#039;&amp;#039;[[ZDM]]&amp;#039;&amp;#039;, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], &amp;amp; [[Douglas Clements|Clements, D. H.]] (2010). [[Sarama &amp;amp; Clements (2010)|Preschool mathematics curricula]]. In [[Barbara Reys|B. J. Reys]], [[Robert Reys|R. E. Reys]], &amp;amp; [[Rheta Rubenstein|R. Rubenstein]] (Eds.), &#039;&#039;[[Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook]]&#039;&#039; (pp. 115–126). Reston, VA: National Council of Teachers of Mathematics.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], &amp;amp; [[Douglas Clements|Clements, D. H.]] (2010). [[Sarama &amp;amp; Clements (2010)|Preschool mathematics curricula]]. In [[Barbara Reys|B. J. Reys]], [[Robert Reys|R. E. Reys]], &amp;amp; [[Rheta Rubenstein|R. Rubenstein]] (Eds.), &#039;&#039;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Mathematics Curriculum: Issues, Trends, and Future Directions (2010 NCTM Yearbook)|&lt;/ins&gt;Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook]]&#039;&#039; (pp. 115–126). Reston, VA: National Council of Teachers of Mathematics.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In [[Frank Lester|F. K. Lester]] (Ed.), &amp;#039;&amp;#039;[[Second handbook of research on mathematics teaching and learning]]&amp;#039;&amp;#039; (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In [[Frank Lester|F. K. Lester]] (Ed.), &amp;#039;&amp;#039;[[Second handbook of research on mathematics teaching and learning]]&amp;#039;&amp;#039; (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Raymond Johnson</name></author>
	</entry>
	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=185&amp;oldid=prev</id>
		<title>imported&gt;Raymond Johnson: Added profile pages</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=185&amp;oldid=prev"/>
		<updated>2014-05-04T16:57:39Z</updated>

		<summary type="html">&lt;p&gt;Added profile pages&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:57, 4 May 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Faculty profile: http://morgridge.du.edu/staff-members/clements-douglas/&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Faculty portfolio: http://portfolio.du.edu/dclemen9&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Google Scholar profile: http://scholar.google.com/citations?user=BM8XL1UAAAAJ&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Academia.edu profile: http://udenver.academia.edu/DouglasClements&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Academia.edu profile: http://udenver.academia.edu/DouglasClements&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* ResearchGate profile: http://www.researchgate.net/profile/Douglas_Clements&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>imported&gt;Raymond Johnson</name></author>
	</entry>
	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=184&amp;oldid=prev</id>
		<title>imported&gt;Raymond Johnson at 02:33, 20 November 2013</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=184&amp;oldid=prev"/>
		<updated>2013-11-20T02:33:39Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 02:33, 20 November 2013&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], [[Douglas Clements|Clements, D. H.]], [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], [[Douglas Clements|Clements, D. H.]], [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;[[&lt;/ins&gt;ZDM&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&#039;&#039;&lt;/ins&gt;, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], &amp;amp; [[Douglas Clements|Clements, D. H.]] (2010). [[Sarama &amp;amp; Clements (2010)|Preschool mathematics curricula]]. In [[Barbara Reys|B. J. Reys]], [[Robert Reys|R. E. Reys]], &amp;amp; [[Rheta Rubenstein|R. Rubenstein]] (Eds.), [[Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook]] (pp. 115–126). Reston, VA: National Council of Teachers of Mathematics.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], &amp;amp; [[Douglas Clements|Clements, D. H.]] (2010). [[Sarama &amp;amp; Clements (2010)|Preschool mathematics curricula]]. In [[Barbara Reys|B. J. Reys]], [[Robert Reys|R. E. Reys]], &amp;amp; [[Rheta Rubenstein|R. Rubenstein]] (Eds.), &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&lt;/ins&gt;[[Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039; &lt;/ins&gt;(pp. 115–126). Reston, VA: National Council of Teachers of Mathematics.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In [[Frank Lester|F. K. Lester]] (Ed.), [[Second handbook of research on mathematics teaching and learning]] (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In [[Frank Lester|F. K. Lester]] (Ed.), &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&lt;/ins&gt;[[Second handbook of research on mathematics teaching and learning]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039; &lt;/ins&gt;(pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J.]] (2004). [[Clements &amp;amp; Sarama (2004)|Learning trajectories in mathematics education]]. Mathematical Thinking and Learning, 6(2), 81–89. doi:10.1207/s15327833mtl0602_1&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J.]] (2004). [[Clements &amp;amp; Sarama (2004)|Learning trajectories in mathematics education]]. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;[[&lt;/ins&gt;Mathematical Thinking and Learning&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&#039;&#039;&lt;/ins&gt;, 6(2), 81–89. doi:10.1207/s15327833mtl0602_1&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:People|Clements, Douglas]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:People|Clements, Douglas]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>imported&gt;Raymond Johnson</name></author>
	</entry>
	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=183&amp;oldid=prev</id>
		<title>imported&gt;Raymond Johnson: added academia.edu</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=183&amp;oldid=prev"/>
		<updated>2013-11-18T19:20:11Z</updated>

		<summary type="html">&lt;p&gt;added academia.edu&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:20, 18 November 2013&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Academia.edu profile: http://udenver.academia.edu/DouglasClements&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>imported&gt;Raymond Johnson</name></author>
	</entry>
	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=182&amp;oldid=prev</id>
		<title>imported&gt;Raymond Johnson at 06:19, 21 July 2013</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=182&amp;oldid=prev"/>
		<updated>2013-07-21T06:19:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:19, 21 July 2013&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot;&gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], [[Douglas Clements|Clements, D. H.]], [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], [[Douglas Clements|Clements, D. H.]], [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Julie Sarama|Sarama, J.]], &amp;amp; [[Douglas Clements|Clements, D. H.]] (2010). [[Sarama &amp;amp; Clements (2010)|Preschool mathematics curricula]]. In [[Barbara Reys|B. J. Reys]], [[Robert Reys|R. E. Reys]], &amp;amp; [[Rheta Rubenstein|R. Rubenstein]] (Eds.), [[Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook]] (pp. 115–126). Reston, VA: National Council of Teachers of Mathematics.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In [[Frank Lester|F. K. Lester]] (Ed.), [[Second handbook of research on mathematics teaching and learning]] (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Douglas Clements|Clements, D. H.]], &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In [[Frank Lester|F. K. Lester]] (Ed.), [[Second handbook of research on mathematics teaching and learning]] (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>imported&gt;Raymond Johnson</name></author>
	</entry>
	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=181&amp;oldid=prev</id>
		<title>imported&gt;Raymond Johnson at 09:04, 30 November 2012</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=181&amp;oldid=prev"/>
		<updated>2012-11-30T09:04:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:04, 30 November 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Publications ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], Clements, D. H., [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Julie Sarama|Sarama, J.]], &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Douglas Clements|&lt;/ins&gt;Clements, D. H.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Clements, D. H., &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In F. K. Lester (Ed.), [[Second handbook of research on mathematics teaching and learning]] (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Douglas Clements|&lt;/ins&gt;Clements, D. H.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Frank Lester|&lt;/ins&gt;F. K. Lester&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;(Ed.), [[Second handbook of research on mathematics teaching and learning]] (pp. 461–555). Charlotte, NC: Information Age.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Clements, D. H., &amp;amp; [[Julie Sarama|Sarama, J.]] (2004). [[Clements &amp;amp; Sarama (2004)|Learning trajectories in mathematics education]]. Mathematical Thinking and Learning, 6(2), 81–89. doi:10.1207/s15327833mtl0602_1&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Douglas Clements|&lt;/ins&gt;Clements, D. H.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, &amp;amp; [[Julie Sarama|Sarama, J.]] (2004). [[Clements &amp;amp; Sarama (2004)|Learning trajectories in mathematics education]]. Mathematical Thinking and Learning, 6(2), 81–89. doi:10.1207/s15327833mtl0602_1&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:People|Clements, Douglas]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:People|Clements, Douglas]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>imported&gt;Raymond Johnson</name></author>
	</entry>
	<entry>
		<id>https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=180&amp;oldid=prev</id>
		<title>imported&gt;Raymond Johnson: Created page with &quot;== Publications ==  Sarama, J., Clements, D. H., Barrett, J., Van Dine, D. W., &amp; McDonel, J. S. ...&quot;</title>
		<link rel="alternate" type="text/html" href="https://mathed.net/w/index.php?title=Douglas_Clements&amp;diff=180&amp;oldid=prev"/>
		<updated>2012-11-30T06:27:29Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;== Publications ==  &lt;a href=&quot;/wiki/Julie_Sarama&quot; title=&quot;Julie Sarama&quot;&gt;Sarama, J.&lt;/a&gt;, Clements, D. H., &lt;a href=&quot;/w/index.php?title=Jeffrey_Barrett&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Jeffrey Barrett (page does not exist)&quot;&gt;Barrett, J.&lt;/a&gt;, &lt;a href=&quot;/w/index.php?title=Douglas_Van_Dine&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Douglas Van Dine (page does not exist)&quot;&gt;Van Dine, D. W.&lt;/a&gt;, &amp;amp; &lt;a href=&quot;/w/index.php?title=Jennifer_McDonel&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Jennifer McDonel (page does not exist)&quot;&gt;McDonel, J. S.&lt;/a&gt; ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Publications ==&lt;br /&gt;
&lt;br /&gt;
[[Julie Sarama|Sarama, J.]], Clements, D. H., [[Jeffrey Barrett|Barrett, J.]], [[Douglas Van Dine|Van Dine, D. W.]], &amp;amp; [[Jennifer McDonel|McDonel, J. S.]] (2011). [[Sarama, Clements, Barrett, Van Dine, &amp;amp; McDonel (2011)|Evaluation of a learning trajectory for length in the early years]]. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5&lt;br /&gt;
&lt;br /&gt;
Clements, D. H., &amp;amp; [[Julie Sarama|Sarama, J]]. (2007). [[Clements &amp;amp; Sarama (2007)|Early childhood mathematics learning]]. In F. K. Lester (Ed.), [[Second handbook of research on mathematics teaching and learning]] (pp. 461–555). Charlotte, NC: Information Age.&lt;br /&gt;
&lt;br /&gt;
Clements, D. H., &amp;amp; [[Julie Sarama|Sarama, J.]] (2004). [[Clements &amp;amp; Sarama (2004)|Learning trajectories in mathematics education]]. Mathematical Thinking and Learning, 6(2), 81–89. doi:10.1207/s15327833mtl0602_1&lt;br /&gt;
&lt;br /&gt;
[[Category:People|Clements, Douglas]]&lt;/div&gt;</summary>
		<author><name>imported&gt;Raymond Johnson</name></author>
	</entry>
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