ELACC7L4: Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on grade 7 reading and content, choosing flexibly from a range of strategies. b. Use common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., belligerent, bellicose, rebel). ELACC7L6: Acquire and use accurately grade-appropriate general academic and domain-specific words and phrases; gather vocabulary knowledge when considering a word or phrase important to comprehension or expression. ELACC7W9: Draw evidence from literary or informational texts to support analysis, reflection, and research.

A prefix is a word part added to the beginning of a root word.

A prefix changes the meaning of a word.

A suffix is a word part added to the end of a root word.

A suffix also changes the meaning of a word.

Prefixes We Know Examples im- not in- not bi- two non- not dis- not or opposite of improper incomplete bicycle nonstop disagree

Suffixes We Know Examples -er one who -or one who -less without -able, -ible can be farmer actor useless buildable reversible

Randy ’ s bike tire was flat. He couldn ’ t find the pump because the garage was in disorder. “ It ’ s hopeless, ” said Randy. “ I ’ ll never make it to the soccer game on time. ”

“ That ’ s nonsense, ” said his brother Jake. “ You can use my bike. ”

“ Gee, thanks, ” said Randy, hopping on the bike.

“ See, I can be likable! ” said Jake with a grin.

Homework Study the meaning of the prefixes and suffixes on the calendar slides Memorize and be ready for an assessment.