Grade 4 · Writing · Lesson 20

Use Charts and Diagrams to Explain Ideas

Charts and diagrams are powerful tools for explaining ideas that are hard to describe with words alone. A well-chosen diagram makes data clearer and helps readers understand patterns, comparisons, or processes at a glance.

What this lesson teaches

1Identify different types of diagrams and their best use cases
2Use a diagram explanation frame to describe data visually
3Match diagram types to the data they best represent

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