About: http://webisa.webdatacommons.org/61782141

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The big ideas in mathematics must include mathematical experiences that incorporate mathematics content in areas such as number and operations, geometry, algebraic reasoning, and measurement.
http://www.w3.org/ns/prov#wasQuotedFrom	nctm.org