Teaching Vocabulary Explicitly

acquire 2,000 to 3,500 new words a year and know the meaning of approximately 50,000 words by the time they graduate from high school (Graves, 2006; Lehr, Osborn, and Hiebert, 2004; PREL, 2008). As students progress from the lower elementary grades into the middle grades, the majority of their reading moves from narrative to expository text. ................
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