CCSS.ELA-Literacy.L.5.4b
The Standard
Use common, grade-appropriate Greek and Latin affixes and roots as clues to the meaning of a word (e.g., photograph, photosynthesis).
Common Core State Standards for English Language Arts
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students break unfamiliar words into meaningful parts. They use the meanings of those parts, along with sentence context, to make a reasonable definition.
What Mastery Looks Like
- A student can identify meaningful parts in an unfamiliar word and state what each part means. The student combines those meanings with context to give a sensible definition.
Common Misconceptions
- Students may treat any familiar letter group as a root, such as reading re in ready as meaning again. They may also use a root's meaning too rigidly or ignore context clues.
How to Assess It
- Exit ticket: “A thermometer measures temperature. What do therm and meter suggest about the word’s meaning?” Ask students to explain both parts.
Lesson moves
Ways to Teach It
Give pairs root, affix, and meaning cards; students assemble real words, label each part, and infer the full meaning.
Ask students to write how the root bio helps explain biography, biology, and biodegradable.
Play Root Match: teams pair word cards with root meanings, then earn a point by explaining one complete word.
Have students inspect food packages and school signs for words with roots such as trans, port, or aqua, then explain each word.
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Printable L.5.4b Worksheet

A ready-to-print activity worksheet aligned to CCSS.ELA-Literacy.L.5.4b, with an answer key for the teacher on its own page. No account needed.
PDF, US Letter, prints cleanly in black and white.
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Where This Standard Sits
Before This Standard
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What This Unlocks
Mastery here sets students up for these next.
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Related Standards
- CCSS.ELA-Literacy.L.8.4b
Use common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., precede, recede, secede).
- CCSS.ELA-Literacy.L.7.4b
Use common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., belligerent, bellicose, rebel).
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