CCSS.ELA-Literacy.L.2.4.c

Identify frequently occurring root words (e.g., look) and their inflectional forms (e.g., looks, looked, looking).

Use a known root word as a clue to the meaning of an unknown word with the same root (e.g., company, companion).

Use common, grade-appropriate Greek and Latin affixes and roots as clues to the meaning of a word (e.g., telegraph, photograph, autograph).

Use the most frequently occurring inflections and affixes (e.g., -ed, -s, re-, un-, pre-, -ful, -less) as a clue to the meaning of an unknown word.

Use frequently occurring affixes as a clue to the meaning of a word.

Determine the meaning of the new word formed when a known affix is added to a known word (e.g., agreeable/disagreeable, comfortable/uncomfortable, care/careless, heat/preheat).

Use common, grade-appropriate Greek and Latin affixes and roots as clues to the meaning of a word (e.g., photograph, photosynthesis).

Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on kindergarten reading and content.

Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on grade 4 reading and content, choosing flexibly from a range of strategies.

Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on grade 1 reading and content, choosing flexibly from an array of strategies.