About: http://webisa.webdatacommons.org/431473084

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	(You can also do this activity with half the cards showing the single most recently learned letter, say m, and the other half showing letters the students have not yet learned, such as x.
http://www.w3.org/ns/prov#wasQuotedFrom	freereading.org