<http://webisa.webdatacommons.org/prov/61680313>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/227383085> .
<http://webisa.webdatacommons.org/227383085>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/180052397>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/227383085> .
<http://webisa.webdatacommons.org/227383085>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<gcpstv.org> .
<http://webisa.webdatacommons.org/prov/399192639>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/227383085> .
<http://webisa.webdatacommons.org/227383085>	<http://www.w3.org/ns/prov#value>	"By using physical models, manipulatives, ???hands-on??? activities, and technology such as computers and calculators, students are participating in concrete experiences that provide them opportunities to solve problems." .