About: http://webisa.webdatacommons.org/19992573

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	In many classes, math tools and manipulatives, such as blocks, tiles, and different shapes are used to help students practice math using concrete, visible objects.
http://www.w3.org/ns/prov#wasQuotedFrom	scholastic.com