AZ.CC.3.L. 2010 Language Standards K-5
Vocabulary Acquisition and Use
3.L.4. Determine or clarify the meaning of unknown and multiple-meaning word and phrases based on grade 3 reading and content, choosing flexibly from a range of strategies.
3.L.4.e. Use glossaries or beginning dictionaries, both print and digital, to determine or clarify the precise meaning of key words and phrases.