Finding the Main Idea

Which tell the definition of the main idea?

• tells the most important thing about a topic

• the BIG idea

• what the passage is mostly about

• smaller pieces of information

Tags

CCSS.RI.3.2

CCSS.SL.3.2

To find the main idea, I should look at...

• the title.

• the pictures.

• repeated words.

• one small piece of information.

Tags

CCSS.RI.3.2

What is the main idea?

• A dolphin mother feeds her baby milk like other mammals.

• Mammals are different than fish, reptiles, or birds.

• Dolphins give birth to live babies.

• Dolphins are mammals that live in the ocean.

Tags

CCSS.RI.3.2

CCSS.RI.3.7

CCSS.SL.3.2

What is the main idea?

• What is the Grand Canyon?

• The Grand Canyon

• The very deep Grand Canyon was carved by the Colorado River.

• A canyon is a very deep valley.

Tags

CCSS.RI.3.2

CCSS.SL.3.2

What is the main idea?

• The sun is a star.

• The Solar System is made up of the sun and all the planets that orbit it.

• There are eight planets in the solar system.

• The last four planets are called gas giants because they are large planets that are mostly made of gas.

Tags

CCSS.RI.3.1

CCSS.RI.3.2

Benjamin Franklin invented many things that made life easier in the late 1700's. He invented the lightning rod that saved many homes from fires. He also invented the Franklin stove. The stove could heat a room better than a fireplace and saved people a lot of fuel. He also invented a special kind of glasses called bifocals. This new kind of glasses helped people to read better.
What is the main idea of this paragraph?

• Benjamin Franklin thought reading was important.
• Benjamin Franklin was not afraid of fire.
• A Franklin stove can heat a whole room.
• Benjamin Franklin was a great inventor.

Tags

CCSS.RI.3.2

Insects live in many places. Some live on land, some live in water. Others live in the air. Some insects even live in the ground.

• Insects live in many different places.

• Insects can live in the air or on land.

• Insects live in water.

Tags

CCSS.RI.3.1

CCSS.RI.3.2

Cats are affectionate, cute, and independent. Unlike dogs, cats can stay alone if you go away on a trip. They do not need to be walked and are easy to potty train. Also, cats do not bark, so your neighbors will not have any noise to complain about. If someone wants to have a pet, a cat is great choice.

• Cats are independent

• Dogs are a lot of work

• Cats are great pets

Tags

CCSS.RI.3.1

CCSS.RI.3.2

CCSS.W.3.1B

Baseball has been a part of Americans’ lives for over 100 years. In 27 out of 50 American cities, there are 29 professional teams and thousands of minor league teams. Most Americans attend more baseball games than any other professional sport games. Baseball is not only part of American life but also part of slang, fashion, music, and movies.

• The reasons why baseball slang is used

• Baseball in America

• Minor league baseball

Tags

CCSS.RI.3.1

CCSS.RI.3.2

Exercise is crucial to our lives. Doctors recommend we exercise at least two times a week. Exercise does not necessarily need to be done in the gym; it can consist of an outdoor walk or bike ride. It not only controls weight, but it combats many health conditions and diseases. Another added benefit to exercise is its mood boosting qualities.

• The importance of exercise

• Bike riding is good exercise

• Exercise can be done anywhere

Tags

CCSS.RI.3.2