trm_4a3fd79d0a8ed Cognitive Atlas : Lexicon : mental arithmetic RDF output for 'mental arithmetic' InteractiveResource Cognitive Atlas Cognitive Atlas RDF Generator Brenda Gregory 2010-04-29 16:34:22 text/rdf en Generated by testgen.php on Sat Feb 11 0:23:08 PST 2012. Revision 2: 1 previous definitions. See http://www.cognitiveatlas.org/id/trm_4a3fd79d0a8ed for complete revision history. http://www.w3.org/2004/02/skos/core#Concept SKOS properties defined in http://www.w3.org/TR/skos-primer/#secrel mathematical calculations done mentally, without writing them down. mental arithmetic mental arithmetic is measured by the contrast of Arithmetic trials in the Wechsler Adult Intelligence Scale - Revised