Master identifying central main ideas versus supporting evidence in informational text about the miraculous multi-generational monarch migration.
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Grade 3 · ela · Matching answer key included · US Letter and A4
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Find explicit details in a short nonfiction passage.
One interesting butterfly fact is a supporting detail; the main idea should cover several details.
Choose two details that support a one-sentence summary of the migration.
This is an original practice passage, not a reproduction of a primary source. Read the answer explanations as interpretations of the provided text.
Every autumn, millions of monarch butterflies embark on an incredible journey of up to three thousand miles. Traveling south from Canada and the United States, they fly all the way to warm mountain forests in central Mexico to escape freezing winter temperatures.
What makes this migration extraordinary is that no single butterfly completes the entire round trip. It takes up to four successive generations of butterflies to make the journey back north in spring. Yet, each new generation instinctively knows the exact navigation route.
What is the primary main idea of this passage?
Answer: B. The entire passage focuses on the incredible distance, navigation, and multi-generational nature of monarch migration.
Intended curriculum references: CCSS.ELA-LITERACY.RI.3.2. These references describe learning goals; they are not endorsements.
Published 2026-10-02; updated 2026-10-02. Original MakeWorksheet practice. Automated consistency checks support publication; independent subject-specialist review is not recorded. Read our editorial policy.
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