Information to Use for Math and Sciencehttp://www.gcisd-k12.org/site/Default.aspx?PageID=10441Sat, 18 May 2013 11:28:05 GMTSat, 18 May 2013 11:28:05 GMTNumber Sense PowerPointhttp://www.gcisd-k12.org/site/Default.aspx?PageType=3&DomainID=1059&PageID=10441&ViewID=c9e0416e-f0e7-4626-aa7b-c14d59f72f85&FlexDataID=6782<p>This is a PowerPoint presentation shared with me by Jeff Boyd of Sugarland, TX. I have added a few slides. Great resource for learning Number Sense Tricks.</p>Wed, 16 Feb 2011 19:50:26 GMT