About: http://webisa.webdatacommons.org/264431286

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	Multiplication Using Base-10 Blocks worksheet for ... manipulatives, such as color tiles, unifix cubes ... know the following vocabulary: estimate, sum, difference ...
http://www.w3.org/ns/prov#wasQuotedFrom	booklad.org