Reading nonfiction: structure, purpose, and arguments (grade 8) · lesson

Structure of a whole text

💡 Label what each section of a long text does, then read the labels in order to name how the whole text is built.

Long texts often combine structures. One section might describe a problem, another a solution, another the causes or effects of something, and another how people reacted.

Label what each section does. Then put the labels in order to name the structure.

🧠 Let's work it out

Text: section 1 describes a city's old bus system. Section 2 compares it with the new train line. Section 3 tells what riders think now.

Labels in order: description, comparison, reactions.
That is how the whole text is built.

What do you think comes next?

text structure: the way a text is organized

🔗 Khan Academy: Integration of knowledge and ideas (grade 8) · Khan Academy ↗

Why each part is there

💡 Each paragraph, example, and closing line does a job in the author's plan.

A paragraph about the history of a topic can give background, so readers see what changed.

Examples make a reason concrete. Vivid details help readers picture a scene. A final sentence often sums up the big takeaway.

Ask: what would the reader lose if this part were gone?

🧠 How to think about it

An essay on why kids should garden mentions one tomato plant that fed a family salad all summer. Why? It makes the reason, that gardens grow real food, easy to picture.

vivid detail: a detail that helps readers picture something clearly

Word meaning in context

💡 A word's meaning in a text comes from how it is used in that sentence.

Some words have a plain meaning and a special one. Read the whole sentence to see which fits.

Swap each choice into the sentence. The right one keeps the author's point.

🧠 Let's work it out

"The new rule made recycling convenient for every family."

Try "easy to do" in place of "convenient."
It fits: the rule made recycling easy.
"Expensive" would flip the meaning.

What do you think comes next?

context: the words and sentences around a word

Sound evidence and reasoning

💡 Evidence must be relevant to the claim, and reasoning must not rely on popularity or personal taste.

Relevant evidence supports the claim directly. A fun fact may be true, but if it doesn't connect to the claim, it does not prove the point.

Flawed reasoning looks like support but isn't. A bandwagon argument says an idea is good because many people like it. Popularity is not proof.

To check a sentence, ask: if this is true, does it make the claim more believable?

🧠 Let's work it out

Claim: "Schools should start a coding club."

A: "Students who code score higher in math." Relevant support.
B: "Everyone I know wants a coding club." Bandwagon: being popular doesn't make it a good idea.

What do you think comes next?

bandwagon: arguing something is right because many people like it
relevant: directly connected to the claim

Addressing counterclaims

💡 A strong argument names the other side's concern, admits what is fair, then answers it.

A counterclaim is the other side's best point, like cost or time.

A strong answer admits the concern is fair. Then it offers a fix or a stronger reason.

🧠 How to think about it

"Some say a reading-buddy program would distract older students. That worry makes sense. But it meets only once a week, and older readers often improve too." The author admits the worry, then answers it with two points.

counterclaim: a point from the other side of an argument