About: http://webisa.webdatacommons.org/319875811

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	MA.D.2.3.1.4: uses pictures, models, manipulatives or other strategies to solve one-step and simple multi- step linear equations.
http://www.w3.org/ns/prov#wasQuotedFrom	explorelearning.com