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Finding an Author's Reasons

A 40-minute Grade 1 lesson on identifying the reasons an author gives to support a point, and telling a reason from a repeat.

Finding an Author's Reasons is a free 40-minute Grade 1 English lesson plan for Common Core standard RI.1.8 — find the reasons the writer gives for what they claim. It is timed across 5 sections, gives the exact wording to use where the wording carries the meaning, names 3 misconceptions with the teaching move that addresses each, and ends with an exit ticket and a printable worksheet with its answer key.

Grade:
Grade 1
Length:
40 minutes
Standard:
RI.1.8

The lesson

What goes wrong, and why

Each of these is a reasoning error rather than carelessness. The fix addresses the reasoning.

Questions about Finding an Author's Reasons

How long does the Finding an Author's Reasons lesson take?

40 minutes, split across 5 timed sections: warm-up 5 min, teach 13 min, guided practice 12 min, independent practice 8 min, close 2 min. The minutes are stated per section and add up to the stated length, so the plan can be cut or extended at a section boundary rather than abandoned halfway.

Which standard does Finding an Author's Reasons teach?

CCSS.ELA-LITERACY.RI.1.8 — RI.1.8, Reading: Informational Text for Grade 1: “Identify the reasons an author gives to support points in a text.” In plain terms, find the reasons the writer gives for what they claim.

What do I need to teach this lesson?

The "Walk to School" text (in the Teach section) on chart paper, point and reason cards for each child (one "P," one "R") and the printable practice sheet linked at the end of this plan. Everything listed is either ordinary classroom equipment or a free printable from this site — there is nothing to buy and nothing to prepare beyond photocopying.

What mistakes should I expect in this lesson?

Three, each a reasoning error rather than carelessness: picks a repeat as a reason: "The reason is walking is really, really good."; gives their own reason instead of the author's: "Walking is fun with friends." and thinks the first sentence is always the point and the rest are always reasons. The plan gives the thinking behind each one and the teaching move that addresses the thinking rather than the symptom.

How do I know whether the lesson worked?

The exit ticket asks: “What point does the author of "Walk to School" make, and what reason do they give for it?.” "Walking to school is a great idea," and a reason from the text, such as "It keeps your body strong." "It is really good" means they took a repeat as a reason. A reason not in the text means they gave their own. That tells you whether the class needs a reteach or a thirty-second conversation before you plan tomorrow.

Is there a worksheet to go with Finding an Author's Reasons?

Yes — 1 printable RI.1.8 worksheet, linked at the end of the plan and free like the rest of the site. Each one comes with an answer key and 25 versions, so the practice after the lesson can be a different paper on every desk.

Is Finding an Author's Reasons free to use?

Yes. The plan, its printables and their answer keys are free to read, print and photocopy for your own class, with no account and no email capture. It was last reviewed on October 8, 2026. Please do not resell it or republish it as your own.

Last reviewed 2026-10-08. Aligned to RI.1.8 of the Common Core State Standards for English Language Arts.