5th grade subordinating conjunctions worksheets

Fifth graders use the full family: although, because, unless, while, since, whenever, to build complex sentences where one idea leans on another. Choosing the right subordinator means reading the logic between the clauses: cause, contrast, condition, or time.

Free printable PDF worksheet, aligned to Common Core L.3.1.h.

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The kind of sentences you'll get

Circle the letter of the joining word the sentence's logic needs.

the armistice was signed, soldiers on both sides celebrated together. Whereas · Unless · After
Answer: After
the rover’s wheel jammed, engineers recovered partial mobility remotely. Although · Because · After
attendance keeps falling, the museum will shorten its winter hours. While · If · Although

Every print pulls a fresh set of sentences at this level, so a make-up test or a second sibling never gets the same sheet.

What's on each sheet

Choose the word. Circle the letter of the joining word the sentence's logic needs. 10 questions per page.

Every version prints on US Letter or A4, with its answer key on the last page.

How to teach this

Sort the family by job: cause words (because, since), contrast words (although, while), condition words (if, unless), time words (when, after, whenever). Before choosing, have your student name which JOB the sentence needs; the word then picks itself from a much shorter list.

Watch for: Each conjunction names a different relationship, so they aren't swappable: because gives a reason, although signals a surprise, until marks time. Starting a sentence with because is fine, as long as the main idea follows: 'Because it rained, we stayed in.'

Common questions about subordinating conjunctions

How is this different from and, but, and or?: Those coordinators join equals; subordinators make one clause depend on the other and name the relationship: because gives a reason, although admits a surprise, unless states a condition. Complex sentences are the grade-5 growth edge, and this word family is their hinge.
My child picks words that sound fine but feel off. Why?: Several subordinators are often grammatical in the same slot; only one matches the sentence's logic. Ask what the sentence is trying to say (reason? contrast? condition?) before looking at the choices. Logic first, word second.

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Aligned to Common Core L.3.1.h. Reviewed by the One more sheet team. Content version 137, updated August 2026.

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