Common Core State Standards
CCSS.ELA-Literacy.L.4 Language Standards
Vocabulary Acquisition and Use
CCSS.ELA-Literacy.L.4.4 Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on grade 4 reading and content, choosing flexibly from a range of strategies.
CCSS.ELA-Literacy.L.4.4c Consult reference materials (e.g., dictionaries, glossaries, thesauruses), both print and digital, to find the pronunciation and determine or clarify the precise meaning of key words and phrases.