Grade 3 · Social Studies · Lesson 17

Understanding Timelines

Have you ever looked at photos of yourself as a baby, then as a toddler, then as you are now? Without realizing it, you were reading a timeline of your life! A timeline is a visual tool that shows events arranged in the order they happened — from oldest to newest. Historians use timelines to understand how the world has changed over time.

What this lesson teaches

1Explain what a timeline is
2Read events in chronological order on a timeline
3Identify the key parts of a timeline — event, date, and sequence

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