Printable Coordinating Conjunctions Worksheets
Coordinating conjunction worksheets help elementary students connect words and sentences using and, but, or, so, and because. These printable exercises provide sentence-joining drills, comma practice, and answer keys.
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Structured, printable skill sheets with step-by-step guidance for Coordinating Conjunctions.
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About Coordinating Conjunctions
What this skill is
Coordinating conjunctions (remembered by the acronym FANBOYS: for, and, nor, but, or, yet, so) join words, phrases, or independent clauses of equal grammatical rank, turning simple sentences into compound sentences.
When children learn it
Joining words with "and", "but", and "or" begins in 1st and 2nd grade. Using coordinating conjunctions with commas to create compound sentences is a target standard in 2nd and 3rd grade (CCSS L.2.1.f, L.3.1.h).
Teaching Tips
- Use the two-sentence test: read the words before the conjunction and ask "Can this stand alone as a sentence?". Then read the words after it. If both halves are complete sentences, tell your child they need a comma before the connecting word.
Common Mistakes
- Omitting the comma before the conjunction when joining two complete independent clauses.
- Inserting an unnecessary comma when the conjunction joins only two words rather than two full sentences (such as "apples, and bananas").
- Selecting the wrong conjunction for the sentence meaning, using "and" when a contrast requires "but".