Fourth Grade · Reading · week 4

Author's Reasons and Evidence

Identify an author's claim in a persuasive text and the reasons and evidence used to support it.

Read this passage: "Every classroom should have its own recycling bin. First, most classroom trash is paper -- worksheets, drawings, and scrap -- and paper is one of the easiest materials to recycle. Second, a bin right in the room reminds students to recycle without having to think about it, instead of walking all the way to a bin in the hallway. Finally, a classroom that recycles together can track how many pounds of paper it saves in a year, which turns a chore into a team goal. For all these reasons, a recycling bin belongs in every classroom, not just the school office."

A claim is the author's main point or opinion. Reasons are the "because" statements that support the claim. Evidence is the specific facts, examples, or details that back up each reason. Strong persuasive writing almost always uses more than one reason.

📋 For the teacher
Teach it (10–15 min):
  • Point out signal words like "first," "second," "because," and "finally" -- they are flags that a reason is arriving.
  • Ask "is this the author's opinion, or a fact the author is using as proof?" to separate the claim from the evidence supporting it.
  • Find a real persuasive text this week -- a cereal box, an ad, a flyer -- and locate its claim and reasons together.
  • Point out that a strong argument uses more than one reason, never just one.
Talk about it:
  • What is the difference between a claim and a reason?
  • Why might an author save their strongest reason for last?
  • Can you think of something you want to persuade our family to do? What reason would you give first?

Mastery looks like: They can identify an author's claim and list the separate reasons given to support it.

Common stumbles: Confusing a reason with the claim itself; missing reasons that are not clearly signaled by a "first/second" word.

See it visually

Interactive, spoken-aloud tools that show this idea in motion.

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