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

ELA21.3.32d

Encode words with less common prefixes, suffixes, and common Latin roots.

COS Examples

Examples: prefixes: fore-, pro-, intra-, inter-, trans-, non-, over-, sub-, super-, semi-, anti-, mid-, ex-, post-

suffixes: -y, -ly, -ful, -ment, -hood, -less, -ness, -er, -or, -en;

Latin roots: port, form, ject, spect, dict, tend, fer

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.
  • The root word is the base word in which a prefix or suffix can be added, and many English words contain Latin root words.

Skills

  • Encode words with less common prefixes, such as fore-, pro-, intra-, inter-, trans-, non-, over-, sub-, super-, semi-, anti-, mid-, ex-, post-.
  • Encode words with less common suffixes, such as -y, -ly, -ful, -ment, -hood, -less, -ness, -er, -or, -en.
  • Encode words with common Latin roots, such as port, form, ject, spect, dict, tend, fer.

Understanding

  • Their knowledge of the different word parts (prefixes, suffixes, and roots) can help them read and spell most multisyllabic words if they divide them apart into smaller units.
  • Knowing less common prefixes and suffixes and common Latin roots strengthens their spelling skills.

Vocabulary

  • Encode
  • Prefixes
  • Suffixes
  • Common Latin roots
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