ELA21.3.15a

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

ELA21.3.15a

Identify meaningful parts of words (morphemes) and use them as clues to the meaning of unfamiliar words, including base words, roots, and frequently occurring affixes and inflections.

Unpacked Content

Knowledge

  • Morphemes are the smallest unit in a word that carry meaning.
  • Morphemes can be used to determine meanings of words.
  • Affixes and inflections can be added to words to change their meaning.

Skills

  • Identify morphemes and use them as clues to determine word meaning, including affixes like -less, -ful, pro-, trans- and roots like aqua, cent, port, form, ject, spect, dict, tend, fer.

Understanding

  • Base words, roots, affixes, inflections and other morphemes can be used to help find the meaning of unfamiliar words.

Vocabulary

  • Meaningful parts of words
  • Morphemes
  • Clues
  • Unfamiliar words
  • Base words
  • Roots
  • Affixes
  • Inflections

COS Examples

Examples: affixes -less, -ful, pro-, trans- ; roots aqua, cent, port, form, ject, spect, dict, tend, fer

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