Combining sentences worksheets

Third grade combining worksheets mix three joins: shared subjects (Sam ran and jumped), shared predicates, and full compound sentences with a comma plus and, but, or so. Your child picks the smoothest correct combination, and the key names the join it used.

By grade

What students need to know

Two short sentences about the same thing can join into one smoother sentence. Use a joining word, and say repeated words only once.

This skill runs from 2nd grade through 5th grade. Pick a grade above for level-matched sentences, teaching notes, and worksheets.

Combining sentences across the grades

2nd grade

Combining sentences worksheets for second grade show two short, choppy sentences that share a part. Your child picks the combination that says it once and joins the rest with and, but, or or. The wrong choices repeat words clumsily or use a bare comma.

3rd grade

Third grade combining worksheets mix three joins: shared subjects (Sam ran and jumped), shared predicates, and full compound sentences with a comma plus and, but, or so. Your child picks the smoothest correct combination, and the key names the join it used.

4th grade

Fourth grade sentence combining turns productive: the two short sentences print above a writing line, and your child writes the combined sentence, weighing a comma plus joining word against a clause starting with because, when, or although. The answer key shows the strongest combination, and a choice version is one click away.

5th grade

Fifth grade combining worksheets practice L.5.3.a directly: combine and reduce sentences for meaning and style. Your child writes the combination on the line, folding repeated words away. The key shows the tightest correct version, and other correct joins earn full credit.

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