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Main Idea & Details

Grade 5 · On-level practice · 8 questions · Version PG-B9KV9B-E7JD

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1.Read: “A museum displayed a sailor's diary beside a modern historian's article. The diary captured firsthand feelings, while the article connected records from many sources.” What is the main idea?
2.Read: “The creek looked shallow near the bank but deepened toward the center. Maya used the marked bridge posts instead of guessing the water level.” What is the main idea?
3.Read: “The council's first traffic plan shortened car trips but removed a busy crosswalk. After residents objected, the revision restored the crossing and added a protected turn lane.” What is the main idea?
4.Read: “Keiko read two reports about the same storm. One used measurements from weather stations; the other relied on a single person's memory.” What is the main idea?
5.Read: “Solar panels produced the most electricity at midday, but household use peaked after sunset. A battery stored the midday surplus for evening use.” What is the main idea?
6.Read: “Two teams tested paper airplanes. One changed the wing shape; the other changed both the wings and the paper weight, making its results harder to explain.” What is the main idea?
7.Read: “The town planted native grasses beside the river. Their deep roots held soil during storms, and the water became less muddy.” What is the main idea?
8.Read: “The first model predicted flooding from rainfall alone. A revised model also included soil saturation and paved surfaces, and its predictions matched later storms more closely.” What is the main idea?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 5
  1. Read: “A museum displayed a sailor's diary beside a modern historian's article. The diary captured firsthand feelings, while the article connected records from many sources.” What is the main idea?Primary and secondary sources provide different perspectives.
  2. Read: “The creek looked shallow near the bank but deepened toward the center. Maya used the marked bridge posts instead of guessing the water level.” What is the main idea?Reliable measurements are safer than appearances.
  3. Read: “The council's first traffic plan shortened car trips but removed a busy crosswalk. After residents objected, the revision restored the crossing and added a protected turn lane.” What is the main idea?Public feedback improved a plan by addressing competing needs.
  4. Read: “Keiko read two reports about the same storm. One used measurements from weather stations; the other relied on a single person's memory.” What is the main idea?Sources can differ in the strength of their evidence.
  5. Read: “Solar panels produced the most electricity at midday, but household use peaked after sunset. A battery stored the midday surplus for evening use.” What is the main idea?Energy storage helps match electricity supply with demand.
  6. Read: “Two teams tested paper airplanes. One changed the wing shape; the other changed both the wings and the paper weight, making its results harder to explain.” What is the main idea?A fair test changes one variable at a time.
  7. Read: “The town planted native grasses beside the river. Their deep roots held soil during storms, and the water became less muddy.” What is the main idea?Native grasses helped reduce riverbank erosion.
  8. Read: “The first model predicted flooding from rainfall alone. A revised model also included soil saturation and paved surfaces, and its predictions matched later storms more closely.” What is the main idea?Models improve when they include relevant variables.

Worked example

State what the whole passage is mostly about, then point to a supporting detail.

Common mistake

Choosing one interesting detail instead of the idea supported by the whole text.

Helpful hint

Ask what most sentences have in common.