Main Idea Titles
Root Words
Main Idea Details
main idea
100

The Dead Sea is a big lake between the countries of Israel and Jordan. The water in the Dead Sea is very salty. It’s ten times saltier than ocean water. The salt water makes everything float on top of the water—even people! 


What is the BEST title for the passage?

A.) People Float in the Dead Sea
B.) All About the Dead Sea
C.) Salty Water

B

100

To firmly believe something means you are


A.) angry about it
B.) happy about it
C.) certain about it

C

100


Magnets have many uses, but one of their strangest uses is inside a cow’s stomach. They are put there so when cows accidentally eat nails or wire the metal sticks to the magnet. If the metal moved through the cow’s digestive system it could cause damage. The magnet protects the cow and saves the farmer from big vet bills! This allows farmers to utilize money in other ways.


What is the main idea?

Which detail doesn't belong?


The main idea is Farmers use magnets to protect cows' stomachs.

Detail that does not belong - This allows farmers to utilize money in other ways.

100

The United States sent seven manned missions to the moon, but only six made it. The Apollo 13 mission was over halfway to the moon when one of its oxygen tanks exploded. The astronauts had to come up with creative ways to fix their ship and return to Earth. Their courage has been an inspiration to others who followed in their footsteps.

What is the main idea?


The Apollo 13 mission almost failed but ended up being an inspiration to others and successful.

200

Erin and her mother were busy making sugar cookies for a party. Erin's mother was focused on mixing ingredients, while Erin was carefully cutting out various shapes in the rolled-out dough. Once Erin's mother had finished mixing the second batch, she put the cookies in the oven, as Erin once again cut shapes into the cream-colored dough. They smiled at each other. There was nothing Erin loved more than cooking with her mother.


What is the BEST title for the passage?

A.) Cooking with Mom
B.) How to Make Sugar Cookies
C.) Party Planning

A

200

The suffix -y means "full of". Which answer choice uses -y in the same way as dirty?


A.) furry
B.) baby
C.) very

A.) furry

200


Many forest fires are started by lightning strikes or other natural causes. However, most forest fires are started by humans being careless. People toss cigarettes or leave a few embers burning in a fire pit. All it takes is a few leaves to catch fire without someone noticing. This is why Smokey says: Only YOU can prevent forest fires!

What is the main idea and which detail does not belong?

Main Idea- Most forest fires are caused by humans acting careless

Detail that does not belong- many fires are started by lightning strikes or other natural causes.

200

Benjamin Franklin grew up in Boston. He worked in his brother's print shop for four years, from 1718 to 1722. He quit school and started working when he was only 12 years old. In a way, working as a printer was almost as good as going to school. Ben read a lot and learned a lot. Ben was smarter than his brother and he was a better printer, too. Ben's brother wanted him to work for him until Ben was 21, but Ben had other ideas. He ran away to Philadelphia when he was 17.

What is the main idea?

1.) Benjamin Franklin grew up in Boston.
2.) Benjamin Franklin had a job in a printing press that helped him learn a lot of things.                     3.)Benjamin Franklin was smarter than his brother. 



2. Ben Franklin worked in a print shop

300

The cuttlefish may be one of the strangest-looking creatures around. They are actually not fish at all. Cuttlefish look something like both an octopus and a squid. Their bodies are shaped like sacs. They have eight arms and two feeding tentacles. A sucker is on the end of each arm and each tentacle. They have eyes that are shaped like the letter W. As interesting-looking as cuttlefish are, you might never see one. Why? Their skin can change color, so they can easily hide. This is called camouflage. 


What is the BEST title for the passage?

A.) An Amazing-Looking Creature
B.) How to Use Camouflage
C.) All About Fish

A

300

Which answer choice uses -ly in the same way as bravely?


A.) slowly
B.) early
C.) jelly

A.) slowly

300

It was difficult to build a subway in Rome, Italy. It wasn’t the rock that caused problems, though. Instead, construction crews kept finding Roman ruins. Every time they found a new ruin, they had to stop construction so experts could come and look at the site. Several times, they also had to change the route to avoid ancient sites.

What is the main idea and which detail does not belong?

Main Idea- It was difficult to build a subway in Rome, Italy due to the ruins under the city. 

Detail that doesn't belong- It was not the rock that caused problems

300

Before toothbrushes were invented, people used natural objects to clean their teeth. People used small twigs to clean their teeth. The first toothbrushes were made of bones and bristles from boars, horsehairs, or even feathers. Today the bristles of a toothbrush are made from nylon.

What is the main idea?

The history of the toothbrush.

OR

The way people clean their teeth has changed overtime.

400

A recent study says that kids living in areas with air pollution are more likely to develop asthma than kids who live in other areas. Asthma is an illness that makes breathing difficult. About 9 million children in the United States suffer from asthma. After studying the kids for five years, doctors found that about 260 of them developed asthma. Most of those kids lived in towns that had lots of air pollution. Doctors say that breathing too much polluted air caused the asthma cases.

 What is the best title for the passage?

A.) Asthma Doctors
B.) Kids with Asthma
C.) Air Pollution Causes Asthma

C

400

The word biography has the root bio-. If a biography is a story about a person's life, what does the root bio- mean?


A.) story
B.) life
C.) person

B.) life

400

The in-line skating contest will be Thursday at 4:00 in the park. Meet at the park office at 3:45 to sign up. In-line skating takes practice but can be fun. Be sure to bring a permission slip signed by a parent or guardian.


What is the main idea? 

Which detail does not belong?

In-line Skating Contest Signups (Main Idea)

In-line skating takes practice but can be fun. (Does not belong.)

400

We hitched our camping trailer to our car and headed for the mountains. It was a long drive, but the time went by quickly. Dad told us stories for a while. Then my sister and I played games. Before we knew it, we were at a campground.


What is the main idea?

A family's trip to a campground