English Language Arts (2021) Grade(s): 3

ELA21.3.15b

Apply knowledge of the changes in tense (-ed), number (-s), and degree (-er and -est) signified by inflected endings to determine the meaning of a word.

Unpacked Content

Knowledge

  • Inflected endings are added to words to show that a word's meaning has changed in tense, number, or degree.

Skills

  • Apply knowledge of inflectional endings to determine meaning of words.

Understanding

  • When a word has an inflected ending, the meaning of the base word has changed.
  • When an -ed is added to a verb, it signifies the verb happened in the past.
  • When an -s is added to a noun, it signifies the noun is plural (more than one).
  • When an -er or -est is added to the end of an adjective it changes the degree of comparison.

Vocabulary

  • Knowledge
  • Tense
  • Number
  • Degree
  • Inflected endings
  • Determine
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