4.3.C

ELA4th GradeThe student uses newly acquired vocabulary expressively.

The Standard

determine the meaning of and use words with affixes such as mis-, sub-, -ment, and -ity/ty and roots such as auto, graph, and meter

Texas Essential Knowledge and Skills for English Language Arts and Reading

Teacher's field guide

What Students Need to Do: Students break unfamiliar words into prefixes, roots, base words, and suffixes. They use those parts to infer meaning, then use the whole word correctly in speech or writing.
What Mastery Looks Like: A student can explain that misjudgment means an incorrect judgment and that autograph means writing one's own name. The student can use each word in a sentence that clearly shows its meaning.
Common Misconceptions: Students may treat any opening letters as a prefix, such as finding mis- in mist. They may think graph only means a chart or meter only means a measuring device. They may use nouns ending in -ment or -ity as if they were verbs.
How to Assess It: Exit ticket: Break autograph and misjudgment into word parts, explain each meaning, and use one word in a sentence that proves its meaning.

Lesson moves

Give pairs word-part cards and have students build, define, and illustrate words such as submarine, misread, movement, and autograph.
Ask, “How does adding mis- change understand?” Students write two sentences that make the difference clear.
Play Word Part Match: students pair affixes or roots with base words, then earn a point by explaining the new meaning.
Have students copy words from signs, product labels, and school notices, then mark the meaningful parts and infer each meaning.

Keep exploring

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