Main Idea and Supporting Details
Grade 4 - Reading - Building Confidence
Read "River Cleanup Plan": Before the cleanup, Luis sketched the riverbank and marked where trash collected after storms. He asked volunteers to bring gloves, bags, and a bucket for sharp cans. After the group finished, Luis added notes about which spots would need a trash bin next month. What is the main idea?
- Volunteers brought gloves and bags.
- Luis asks people to bring gloves.
- Luis plans and records a river cleanup so the area stays cleaner.
- Luis opened a store beside the riverbank.
Which detail from "The Maple Tree Journal" best supports the main idea?
- Tessa planted tomatoes in the school garden.
- By late April, each bud had opened into a small green leaf.
- Maple leaves are prettier than every other leaf.
- Trees grow in many different places.
A classmate says "Mara used black paper inside a pizza box." is the main idea of "Solar Oven Test." What is wrong with that choice?
- It is a detail, not the idea of the whole passage.
- It contradicts every sentence in the passage.
- It is an opinion that cannot be checked.
- It is the best summary of every paragraph.
The passage "Solar Oven Test" is mostly about which idea?
- Students can learn many things from science class.
- Mara tests how sunlight affects a homemade solar oven.
- A pizza box can hold a cracker.
- The cheese melted slowly when clouds covered the sun.
Which statement is too broad to be the main idea of "Solar Oven Test"?
- Mara tests how sunlight affects a homemade solar oven.
- Students can learn many things from science class.
- Mara builds a solar oven, records how sunlight changes the melting time, and adjusts the foil for another test.
- Mara used black paper inside a pizza box.
Read "Solar Oven Test": Mara lined a pizza box with foil and black paper, then covered the opening with clear plastic. At noon, the cheese on her cracker softened quickly, but it melted slowly when clouds covered the sun. Mara wrote both times in her science notebook before changing the angle of the foil. What is the main idea?
- Mara writes numbers in a science notebook.
- Mara tests how sunlight affects a homemade solar oven.
- Students can learn many things from science class.
- Mara used black paper inside a pizza box.
Which detail from "Solar Oven Test" best supports the main idea?
- Solar ovens are the most exciting way to cook lunch.
- A pizza box can hold a cracker.
- The cheese melted slowly when clouds covered the sun.
- Mara won a cooking contest after school.
A classmate says "Volunteers brought gloves and bags." is the main idea of "River Cleanup Plan." What is wrong with that choice?
- It is too broad to fit the passage.
- It contradicts every sentence in the passage.
- It is an opinion that cannot be checked.
- It is a detail, not the idea of the whole passage.
The passage "Debate Team Switch" is mostly about which idea?
- Jonah revises his debate argument after considering better evidence.
- Anika coached Jonah's soccer team after school.
- The debate topic includes windy days.
- Students sometimes talk in front of a class.
Which statement is too broad to be the main idea of "Debate Team Switch"?
- Jonah changes his debate argument when new evidence helps him make a stronger claim.
- Students sometimes talk in front of a class.
- Anika showed a chart of wind speeds and playground accidents.
- Jonah revises his debate argument after considering better evidence.