About: http://webisa.webdatacommons.org/100034705

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	Patterns, counting, place value, operations, trading games, early fractions and other topics are all discussed. 96 pages.
http://www.w3.org/ns/prov#wasQuotedFrom	christianbook.com