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Ft. Calhoun Project Word List Wiki 

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 * Three Tier Vocabulary Words ** (Beck & McKeown, 1985)
 * **Tier I Words:**Common, everyday words
 * Most basic words
 * Rarely require direct instruction
 * Rarely have multiple meanings
 * 8,000 word families in English are included in tier I words
 * Examples: sight words, nouns, verbs, adjectives, early reading words, book, girl, sad, orange, run, dog, etc.
 * **Tier 2 Words:**High frequency words that strongly influence speaking and reading
 * Most important words for direct instruction
 * Good indicators of a student's progress in school
 * 7,000 word families in English (or 700 per year) in tier 2
 * //Examples:// masterpiece, fortunate, industrious, measure, benevolent
 * **Tier 3 Words:**Content-specific words that are used by specialists
 * Low-frequency words
 * Specific to domains that include subjects in school, hobbies, occupations, technology, weather, etc.
 * Words are learned when a specific need arises such as learning amino acid during a chemistry lesson
 * Examples: asphalt, crepe, isotope bucolic


 * PDF Document of Common Affixes & Roots Students Should Know K-12:** [|prefix suffix root.pdf]
 * ESU#3 Video on Tiered Words**