Main Idea Task Cards

Which one is the main idea?

• George Crum kept slicing potatoes thinner and thinner.

• The potato chip was invented accidentally.

• A customer wanted thinner French fries.

• George Crum was trying to please a customer.

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?

• Tomie dePaola was a children's book author.

• Tomie dePaola wrote over 300 books.

• Tomie dePaola won many awards.

• Almost 25 million of Tomie dePaola's books have been sold.

Which one is the main idea?

• Forests, rainforests, and wetlands are different habitats.

• Polar bears and monitor lizards have different needs.

• A habitat is an animal's home.

• Animals need food water and shelter.

Which one is the main idea?

• Igneous rocks come from volcanoes.

• Metamorphic rocks change due to heat and pressure.

• Sedimentary rocks are made from bits of rock, dirt, and shells.

• Rocks are named according to how they were created.

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 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 is the main idea?

• Richard Jones served in the navy in World War II.

• A Slinky is made from a tension spring.

• The Slinky was invented by accident.

• When a spring is dropped, it bounces.

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?

• Molly Pitcher died in 1832.

• She was born in New Jersey.

• A cannonball went right through her skirt.

• Molly Pitcher was a brave woman in the Revolutionary War.