Key Details Hold Up the Main Idea

Find the details that support the main idea.

Key details are facts or examples that support the main idea. They tell more about it and show it is true. Read: 'Cats are good at hunting. They have sharp claws. They can see well in the dark. They move very quietly.

' The main idea is that cats are good at hunting. The key details are sharp claws, seeing in the dark, and moving quietly. Each one shows a reason cats are good hunters. When you find a main idea, look for the details that answer 'How do I know? '

• 1Key details support the main idea.
• 2They give facts or examples.
• 3They answer: How do I know?