Ind. 3: Main Idea

Which one is the main idea?

• Rhinos have poor eyesight.
• Rhinos have three toes on each foot.
• Rhinos have one or two horns.
• The rhinoceros is an unusual animal.

Which one is the main idea?

• Dolphins breathe using lungs.
• Dolphin mothers feed their babies milk.
• Dolphins are mammals.
• Dolphins have a little bit of hair.

Which one does NOT support the main idea?

• Dolphins breathe using lungs.
• Dolphin mothers feed their babies milk.
• Dolphins are interesting creatures.
• Dolphins have a little bit of hair.

Which one is the main idea?

• Koalas look like bears.
• Koalas are marsupials.
• Koala babies are called joeys.
• Koala babies live in their mother's pouch.

Which one does NOT support the main idea?

• Koalas look like bears.
• Koalas are marsupials.
• Koala babies are called joeys.
• Koala babies live in their mother's pouch.

Which one is the main idea?

• Hammerhead sharks are fierce predators.
• They can live up to 30 years in the wild.
• Stingrays are their favorite food.
• Hammerhead sharks are unique animals.

Which one is the main idea?

• Eels have sharp teeth.
• Eels are fascinating fish.
• Eels are not snakes.
• Eels live in caves.

Which one is the main idea?

• Adelie penguins breed and raise their young in Antarctica.
• Both parents take care of the eggs.
• Adelie penguins live farther south than any other penguin.
• They lve in groups called colonies.

Which one is the main idea?

• Volcanoes are interesting Earth phenomena.
• When volcanoes erupt, lava flows down the mountain.
• When volcanoes erupt, they get bigger over time.
• There are more than 1,500 active volcanoes on land today.

Which one is the main idea?

• Bullfrogs spend their whole life near water.
• Their tadpoles can grow up to 8 inches.
• American bullfrogs are interesting amphibians.
• Male bullfrogs are territorial.