41 | Add to Reading ListSource URL: www.ascd.orgLanguage: English - Date: 2009-09-10 07:08:47
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42 | Add to Reading ListSource URL: www.gov.ukLanguage: English - Date: 2014-03-03 12:30:37
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43 | Add to Reading ListSource URL: www.mathematica-mpr.comLanguage: English - Date: 2014-05-04 11:54:23
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44 | Add to Reading ListSource URL: www.mathematica-mpr.comLanguage: English - Date: 2014-05-04 11:53:29
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45 | Add to Reading ListSource URL: www.doe.virginia.govLanguage: English - Date: 2012-05-21 15:19:09
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46 | Add to Reading ListSource URL: www.doe.virginia.govLanguage: English - Date: 2011-08-03 15:02:46
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47 | Add to Reading ListSource URL: www.lecs.orgLanguage: English - Date: 2010-03-24 18:40:08
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48 | Add to Reading ListSource URL: www.sbschools.orgLanguage: English - Date: 2014-02-13 11:10:44
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49 | Add to Reading ListSource URL: www.sbschools.orgLanguage: English - Date: 2014-02-13 11:10:59
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50 | Add to Reading ListSource URL: investigations.terc.eduLanguage: English - Date: 2013-04-22 12:07:47
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