About: http://webisa.webdatacommons.org/21521693

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	There are various math applications or games available to download on the web for example Pop Math, Piggy Math, Critter Math, MadMath4kids and others.
http://www.w3.org/ns/prov#wasQuotedFrom	observer.com