English Language Arts (2021) Grade(s): 2

ELA21.2.38n

Encode words with prefixes and suffixes, including words with dropped e and y-to-i changes for suffix addition.

COS Examples

Examples: pro-, trans-, non-, mid-, -ful, -less, -ness, -ed, ing, -es, -er, -est, -en, -y, -ly

Unpacked Content

Knowledge

  • Prefixes are word parts that can be added to the beginning of a word to change the meaning of the word.
  • Suffixes are word parts that can be added at the end of the word to change the meaning of the word.
  • Some base words require changes in spelling before a suffix is added.

Skills

  • Encode (spell) words with prefixes, suffixes, or both.
  • Change the endings of words by dropping the e when adding suffixes or changing the y-to-i, when appropriate.

Understanding

  • Prefixes are added to the beginning of a base word and some have predictable spelling patterns, like pro-, trans-, non-, mid-.
  • Suffixes are added to the end of a base word and some have predictable spelling patterns, like -ful, -less, -ness, -ed.
  • Words can be spelled by identifying the prefixes or suffixes within the word.
  • Some base words require changes before a suffix is added.

Vocabulary

  • Encode
  • Prefixes
  • Suffixes
  • Suffix addition
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