CCSS.ELA-Literacy.L.3.1h
The Standard
Use coordinating and subordinating conjunctions.
Common Core State Standards for English Language Arts
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students connect words, phrases, and complete ideas with conjunctions. They choose words such as and, but, because, if, and when to show how ideas relate.
What Mastery Looks Like
- Students choose a conjunction that clearly shows addition, contrast, choice, cause, condition, or time. They can join ideas into complete sentences and explain the relationship created.
Common Misconceptions
- Students may treat conjunctions as interchangeable and write ideas that do not make sense. They may also leave a clause unfinished after words such as because or when.
How to Assess It
- Exit ticket: Combine “The ground was muddy” and “Maya wore boots” twice. Use because once and so once, then underline each conjunction.
Lesson moves
Ways to Teach It
Give pairs sentence strips and conjunction cards, then have students build and read sentences that show addition, contrast, choice, cause, or time.
Ask students to explain how the meaning changes when because, but, or when fills the same sentence gap.
Play Conjunction Sort: students place word cards under coordinating or subordinating, then earn a point by using each word correctly.
Have students write three classroom directions using if, before, and so, then trade directions with a partner to test them.
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Printable L.3.1h Worksheet

A ready-to-print activity worksheet aligned to CCSS.ELA-Literacy.L.3.1h, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- CCSS.ELA-Literacy.L.4.2c
Use a comma before a coordinating conjunction in a compound sentence.
- CCSS.ELA-Literacy.L.5.1e
Use correlative conjunctions (e.g., either/or, neither/nor).
- CCSS.ELA-Literacy.L.9-10.2a
Use a semicolon (and perhaps a conjunctive adverb) to link two or more closely related independent clauses.
- CCSS.ELA-Literacy.L.1.1g
Use frequently occurring conjunctions (e.g., and, but, or, so, because).
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