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4th grade · English Language Arts · Unit 1 of 20

Reading Detectives

Main idea, clues and summaries

What your child practices

Reading short original stories and articles, then finding the main idea and key details, making inferences from clues, working out word meanings and choosing the best summary.

New York State Learning Standards learning standard: 4R1; 4R2; 4R3; 4R4 · main idea, details, inferences, word meanings and summaries

How we explain it

Children can open this short lesson before they practice.

  1. The main idea is what the whole passage is mostly about. Details support it.
  2. To infer, put clues from the text together with what you already know.
  3. A good summary gives the main idea and the key details in a few words.

Example: Kenji draws a cake with candles on a card for his grandmother and wraps a present. What is the occasion most likely? Clues: a cake with candles, a card, a present. Those clues usually go with one kind of party. Answer: his grandmother’s birthday

Reading Detectives in New York

In the New York State Learning Standards, this is unit 1 of 20 in 4th grade English Language Arts, before Text Features.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: New York State Education Department (NYSED)

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    What was the problem in the story?

    The Rainy-Day Plan

    Priya and Leo had planned a lemonade stand to raise money for the animal shelter. On Saturday morning, dark clouds rolled in and rain began to pour.

    Leo groaned. “Nobody will buy lemonade in the rain.” Priya looked out at the wet street, then grinned. “Then let's sell something warm.”

    With permission, they set up a table in the lobby of the community center. They sold warm cocoa and oatmeal cookies to people coming in from the storm. By the afternoon, they had raised more money than they had hoped.

    • Leo forgot the lemons
    • Rain spoiled their plan for a lemonade stand
    • The animal shelter was closed
    • They ran out of cookies
  2. Question 2

    What does Priya's idea show about her?

    The Rainy-Day Plan

    Priya and Leo had planned a lemonade stand to raise money for the animal shelter. On Saturday morning, dark clouds rolled in and rain began to pour.

    Leo groaned. “Nobody will buy lemonade in the rain.” Priya looked out at the wet street, then grinned. “Then let's sell something warm.”

    With permission, they set up a table in the lobby of the community center. They sold warm cocoa and oatmeal cookies to people coming in from the storm. By the afternoon, they had raised more money than they had hoped.

    • She is careless
    • She doesn't like animals
    • She is shy and quiet
    • She is creative and doesn't give up easily
  3. Question 3

    “Leo groaned.” What does this tell you about how Leo felt?

    The Rainy-Day Plan

    Priya and Leo had planned a lemonade stand to raise money for the animal shelter. On Saturday morning, dark clouds rolled in and rain began to pour.

    Leo groaned. “Nobody will buy lemonade in the rain.” Priya looked out at the wet street, then grinned. “Then let's sell something warm.”

    With permission, they set up a table in the lobby of the community center. They sold warm cocoa and oatmeal cookies to people coming in from the storm. By the afternoon, they had raised more money than they had hoped.

    • He felt excited
    • He felt proud
    • He felt sleepy
    • He felt disappointed
  4. Question 4

    Why were Priya and Leo selling things?

    The Rainy-Day Plan

    Priya and Leo had planned a lemonade stand to raise money for the animal shelter. On Saturday morning, dark clouds rolled in and rain began to pour.

    Leo groaned. “Nobody will buy lemonade in the rain.” Priya looked out at the wet street, then grinned. “Then let's sell something warm.”

    With permission, they set up a table in the lobby of the community center. They sold warm cocoa and oatmeal cookies to people coming in from the storm. By the afternoon, they had raised more money than they had hoped.

    • to pay for a trip
    • to win a contest
    • to buy new bikes
    • to raise money for the animal shelter
  5. Question 5

    What is the main idea of this passage?

    Nature's Engineers

    Beavers are sometimes called nature's engineers. An engineer is someone who designs and builds things, and beavers are amazing builders.

    Using their strong front teeth, beavers cut down small trees and branches. They pile the wood across a stream and pack the gaps with mud and stones. This dam slows the water and makes a deep pond.

    In the pond, beavers build a home called a lodge. Its entrance is underwater, which helps keep the family safe from predators such as wolves.

    Beaver ponds help other living things, too. Ducks, frogs, fish and moose often visit or live in the wetlands that beavers create.

    • Wolves are predators
    • Beavers have strong front teeth
    • Ducks and frogs live in ponds
    • Beavers are skilled builders whose work changes the land around them
  6. Question 6

    What happens when beavers build a dam?

    Nature's Engineers

    Beavers are sometimes called nature's engineers. An engineer is someone who designs and builds things, and beavers are amazing builders.

    Using their strong front teeth, beavers cut down small trees and branches. They pile the wood across a stream and pack the gaps with mud and stones. This dam slows the water and makes a deep pond.

    In the pond, beavers build a home called a lodge. Its entrance is underwater, which helps keep the family safe from predators such as wolves.

    Beaver ponds help other living things, too. Ducks, frogs, fish and moose often visit or live in the wetlands that beavers create.

    • The trees grow faster
    • The fish swim away to the ocean
    • The stream dries up forever
    • The water slows down and forms a deep pond