3RD GRADE ELA • READING INFORMATIONAL TEXT

How Sentences and Paragraphs Connect to Each Other

Learn to spot the invisible bridges that link ideas together in what you read!

Why Do Writers Connect Their Ideas?

Have you ever built something with building blocks? Each block is important, but the blocks only make something cool when they are connected in the right way. Writing works the same way! Sentences and paragraphs are like blocks. Writers connect them so readers can follow along and understand the big idea.

People have been thinking about how to connect ideas in writing for a very, very long time. Let's look at a quick history of how we learned to read for connections.

Long Ago
Ancient storytellers learned that stories made more sense when they put events in order — first, next, then, last. This was the first way people connected ideas!
In Schools
Teachers started showing kids that writers also explain why things happen. A sentence might tell the cause, and the next sentence tells the effect.
Today
Now, readers like you learn to find many kinds of connections in nonfiction texts — like comparing, giving steps, and explaining causes. This helps you become a super reader!

So here's the big question this lesson answers: How do sentences and paragraphs in a text work together? When you can answer that, you can understand anything you read much better!

The Big Ideas About Text Connections

When you read a nonfiction text (like a science article or a how-to book), the writer uses logical connections to link ideas. "Logical" just means the ideas are connected in a way that makes sense. Here are the four main types of connections you will see.

1

Cause and Effect

One thing makes another thing happen. The cause is the reason. The effect is what happens. Example: "It rained, so the game was canceled."
2

Comparison

The writer shows how two things are alike or different. Example: "Dogs love to play fetch, but cats usually prefer to nap."
3

Sequence (Order)

Ideas are put in order — first, second, third. Example: "First, crack the egg. Next, stir the batter. Then, pour it into the pan."
4

Problem and Solution

The writer tells about a problem and then explains how it was fixed. Example: "The road was full of potholes. The city sent workers to fill them in."
Key Takeaway
Think of text connections like bridges. Each sentence is a little island, and the writer builds a bridge between them so you can walk from one idea to the next. Words like "because," "but," "first," and "so" are the bridges! When you spot those words, you've found the connection.

See the Connections!

Let's look at a picture that shows how sentences in a paragraph can be connected. In the diagram below, you'll see a short paragraph broken into sentences. Arrows and labels show you what kind of connection links each sentence to the next.

See how each sentence is linked to the one before it? The word "so" tells you that Sentence 2 is the effect of Sentence 1. The word "then" tells you that Sentence 3 comes next in order. These little signal words are clues that help you understand how the ideas fit together!

How Signal Words Work

Writers use special words called signal words (sometimes called transition words) to show how sentences connect. These words are like road signs that tell you which direction the ideas are going. Let's learn the signal words for each type of connection.

Cause and Effect Signal Words
because · so · since · as a result · therefore
These words tell you that one thing made another thing happen.
Comparison Signal Words
but · however · alike · different · both · on the other hand
These words tell you two things are being compared — alike or different.
Sequence Signal Words
first · second · third · next · then · finally · last
These words tell you things happen in a certain order, step by step.
Problem and Solution Signal Words
problem · solution · solve · fix · answer · as a result
These words tell you a problem was introduced and then fixed.

When you're reading, watch for these signal words. They are your biggest clue! But sometimes a writer connects ideas without using a signal word. In that case, you have to think about how the ideas relate by asking yourself: "Is this telling me why something happened? Is it showing me something different? Is it giving me the next step?"

A Closer Look at Each Type of Connection

Now let's see each type of connection in a real passage so you can get better at spotting them. Below is a big picture that shows a short text broken into parts, with each connection type highlighted.

Each box in the diagram shows a real example. Notice how each example uses signal words that match its connection type. When you see the word "because," your brain should light up and think: "Aha! Cause and effect!" When you see "both" or "however," think: "The writer is comparing!"

Sometimes a paragraph uses more than one type of connection. That's okay! A paragraph might start with a sequence and then explain a cause and effect inside one of the steps. The more you practice, the easier it gets to spot all the connections.

Worked Example: Finding Connections in a Passage

Let's read a short passage together and find all the connections. Follow along step by step!

📝 Passage
"Bees are very important to farmers. First, bees fly from flower to flower. Then, pollen sticks to their legs. As a result, the pollen moves to new flowers, and the plants can grow fruit. However, many bees are getting sick because of chemicals sprayed on farms."
Finding Connections in a Passage
1
Step 1 — Read the Whole PassageFirst, read the whole passage once. Don't worry about connections yet. Just understand what it's about. This passage is about bees helping plants grow fruit.
2
Step 2 — Circle the Signal WordsNow go back and find the signal words. We see: "First", "Then", "As a result", "However", and "because". That's five signal words in one little paragraph!
3
Step 3 — Match Each Signal Word to a Connection Type"First" and "Then" tell us about a sequence — the steps of what bees do. "As a result" tells us about cause and effect — pollen moving causes fruit to grow. "However" tells us the writer is comparing — switching from a good thing (bees help) to a bad thing (bees are sick). "Because" tells us another cause and effect — chemicals cause bees to get sick.
4
Step 4 — Describe the ConnectionsNow we can say: "The middle of the paragraph uses sequence to show the steps bees take. It uses cause and effect to show what happens because of those steps. The last sentence uses comparison to switch to a different idea, and then cause and effect to explain why bees are getting sick." Great job — we found all the connections!

Comparing the Connection Types

It can be tricky to remember all four types. Here's a handy chart that puts them side by side so you can compare them!

Connection TypeWhat It DoesSignal Words to Look For
Cause and EffectShows why something happenedbecause, so, since, as a result, therefore
ComparisonShows how things are alike or differentbut, however, both, alike, different, on the other hand
SequenceShows the order things happenfirst, second, third, next, then, finally, last
Problem & SolutionTells a problem and how it was fixedproblem, solution, solve, fix, answer

One thing to know: sometimes a connection is easy to spot because the signal word is right there. Other times, the writer doesn't use a signal word, and you have to figure it out on your own by thinking about the meaning. That's a little harder, but you can do it!

Key Takeaway
Think of signal words like a traffic light. A yellow light means "watch out, something is changing" — that's like the word "however" in a comparison. A green light means "keep going in the same direction" — that's like "next" or "then" in a sequence. A red light means "stop and think about why" — that's like "because" in a cause-and-effect sentence. Following these signals keeps your reading on the right track!

Using Connections to Become a Better Reader

Now that you know the four main types of connections, you can use them every time you read! In later grades, you'll learn even more types — like description (where the writer paints a picture of something) and chronological order (where events are told from earliest to latest in time). But right now, the four types you learned today will help you understand most nonfiction texts you'll read in 3rd grade.

What You Know NowWhat You'll Learn Later
Spotting signal words like "because" and "first"Finding connections even when there are no signal words at all
Four connection types (cause/effect, comparison, sequence, problem/solution)More types, like description and chronological order
Finding connections between sentencesFinding connections between whole paragraphs and chapters
Reading texts that use one main connection typeReading texts that mix many connection types together

The awesome thing is this: the more you practice finding connections now, the easier reading will be for you in the future. You're building a superpower!

Practice Problems

Try these problems on your own! Click "Show Answer" when you're ready to check.

PROBLEM 1WHAT DO YOU REMEMBER?
What is a signal word? Can you name one signal word for cause and effect?
PROBLEM 2FIND THE CONNECTION
Read this sentence: "I forgot my umbrella, so I got soaked in the rain." What type of connection does the word "so" show?
PROBLEM 3PICK THE TYPE
Read this passage: "Cats are quiet pets. However, dogs are often loud and playful." What type of connection links these two sentences? How do you know?
PROBLEM 4READ AND DESCRIBE
Read this passage: "Our school playground had a broken swing. The principal asked the parents' group for help. They raised money and bought a brand new swing set!" What type of connection do you see between the sentences? Explain in your own words.
PROBLEM 5CHALLENGE! MULTIPLE CONNECTIONS
Read this passage: "First, the caterpillar eats lots of leaves. Then, it wraps itself in a cocoon. Finally, it comes out as a butterfly! This is different from a grasshopper, which looks almost the same from baby to adult." Name two different types of connections you see. Which signal words helped you?

Let's Review!

In this lesson, you learned that writers connect their sentences and paragraphs using logical connections. There are four main types you should know: cause and effect (one thing makes another happen), comparison (showing how things are alike or different), sequence (putting things in order like first, second, third), and problem and solution (telling about a problem and how it was fixed).

The secret to finding these connections is looking for signal words like "because," "however," "first," "next," and "solve." These words are clues that tell you what kind of connection the writer is making. Even when there are no signal words, you can figure out the connection by asking yourself: Why did this happen? What's different? What comes next? Keep practicing, and soon you'll be spotting connections everywhere you read! 📚✨

Varsity Tutors • 3rd Grade English Language Arts • Logical Connections in Text