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4th grade · English Language Arts · Unit 1 of 13

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.

Maine Learning Results learning standard: Reading 5 · main idea, details 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 Maine

In the Maine Learning Results, this is unit 1 of 13 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: Maine Department of Education

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 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
  2. Question 2

    Why is an underwater entrance useful for a beaver lodge?

    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.

    • It lets sunlight into the lodge
    • Predators like wolves can't easily get in
    • It keeps the pond from freezing
    • It makes the lodge easy to find
  3. Question 3

    Which animals does the passage say use beaver ponds?

    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.

    • whales, seals and otters
    • wolves, bears and eagles
    • cats, dogs and horses
    • ducks, frogs, fish and moose
  4. Question 4

    Which sentence is the best summary of the 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.

    • Beavers build dams and lodges that make ponds, which help many animals.
    • Beavers have teeth.
    • Moose like to visit ponds.
    • Wolves live in the forest.
  5. Question 5

    Why did Kenji try to be so quiet?

    Kenji's Early Morning

    Kenji tiptoed into the kitchen before anyone else was awake. He took a bowl from the cupboard as quietly as he could, then held his breath when the door squeaked.

    He washed a handful of strawberries, sliced a banana with a butter knife and arranged the fruit in the shape of a smiling face. Then he folded a sheet of paper in half and drew a cake with candles on the front.

    When his grandmother came downstairs, the bowl and the card were waiting at her place at the table. She read the card, laughed, and gave Kenji a long hug.

    • He wanted to keep his plan a surprise
    • His grandmother asked him to be quiet
    • He was afraid of the dark
    • He wasn't allowed in the kitchen
  6. Question 6

    What did Kenji draw on the card?

    Kenji's Early Morning

    Kenji tiptoed into the kitchen before anyone else was awake. He took a bowl from the cupboard as quietly as he could, then held his breath when the door squeaked.

    He washed a handful of strawberries, sliced a banana with a butter knife and arranged the fruit in the shape of a smiling face. Then he folded a sheet of paper in half and drew a cake with candles on the front.

    When his grandmother came downstairs, the bowl and the card were waiting at her place at the table. She read the card, laughed, and gave Kenji a long hug.

    • a cake with candles
    • a smiling face
    • a bowl of fruit
    • a sleeping cat