Third Grade English: Reading Comprehension: Informational Text - Text Structure: Cause/Effect & Problem/Solution
Informational text structure refers to the deliberate organizational pattern an author chooses to arrange facts, concepts, and ideas logically on the page. Just as an architect chooses whether to build a skyscraper with steel beams or a cottage with logs, an author chooses a specific text structure to best deliver their message. In this chapter, you will master two of the most important informational text structures—Cause and Effect and Problem and Solution—learn how to spot their distinctive signal words, and practice using graphic organizers to map out complex real-world relationships.
The Architecture of Informational Texts
When you understand how an article is built, reading becomes much easier because you know what type of information to expect next.
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| COMMON INFORMATIONAL STRUCTURES |
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| 1. Cause and Effect --> Explains why something happened |
| and what resulted from it. |
| 2. Problem & Solution --> Identifies a dilemma and shows |
| how it was or can be solved. |
| 3. Chronological --> Arranges events in time order. |
| 4. Compare & Contrast --> Examines similarities & diffs. |
| 5. Description --> Paints a vivid factual picture. |
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Why Structure Matters
If you do not recognize text structure, an article about deforestation might feel like a jumbled heap of random facts about trees, bulldozers, and birds. But when you recognize the structure is Cause and Effect, your brain instantly organizes the facts: Bulldozers cut down forests (Cause) -> Animals lose their homes (Effect) -> Soil washes into rivers (Effect).
Structure 1: Cause and Effect
Cause and effect explains the relationship between events where one event causes another event to occur.
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| THE CAUSE AND EFFECT CHAIN |
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| |
| [ CAUSE ] [ EFFECT ] |
| The "WHY" it happened The "WHAT" happened |
| |
| Heavy rains fell for 3 --> The town river overflowed |
| days without stopping. its banks and flooded. |
| |
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The "Why / What" Rule
- The Cause always answers the question: "Why did this happen?"
- The Effect always answers the question: "What happened as a result?"
- Remember: The cause happens first in time, even if the author writes the effect first in the sentence!
- Sentence: "The soccer game was cancelled because lightning flashed across the sky."
- What happened first? The lightning flashed (Cause). What was the result? The game was cancelled (Effect).
Signal Words for Cause and Effect
Authors use specific transition words to alert you that a cause-and-effect relationship is being described.
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| CAUSE AND EFFECT SIGNAL WORDS |
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| because therefore as a result of |
| since consequently led to |
| so that due to for this reason |
| if... then impacted by brought about |
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Structure 2: Problem and Solution
Problem and solution structure presents a difficulty, challenge, or dilemma and explores one or more actions taken to resolve or fix the issue.
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| PROBLEM AND SOLUTION PATTERN |
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| |
| [ PROBLEM ] [ SOLUTION ] |
| A puzzle, trouble, or The fix, remedy, or |
| dangerous challenge. action that settles it. |
| |
| Plastic trash was --> Volunteers organized |
| polluting the beach, a coastal cleanup and |
| harming sea turtles. installed recycle bins. |
| |
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Problem/Solution vs. Cause/Effect
These two structures can look similar because a problem often causes effects. The key difference is this:
- Cause and Effect simply explains what happened and why, without necessarily fixing anything (e.g., A volcano erupted, so ash blanketed the valley).
- Problem and Solution always features an intentional action or plan designed to fix or improve the negative situation!
Signal Words for Problem and Solution
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| PROBLEM & SOLUTION SIGNAL WORDS |
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| the problem is challenge resolved |
| dilemma issue fixed by |
| puzzle trouble solved |
| one remedy is answer addressed by |
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Side-by-Side Reading Comparison
Read these two passages about city traffic to observe how text structure transforms how facts are presented.
Passage A: Cause and Effect
During the morning rush hour, thousands of commuters drive their cars into
downtown Oakridge at the exact same hour. Because the narrow two-lane highway
cannot handle this massive volume of vehicles, traffic slows to a crawl.
As a result of this bumper-to-bumper congestion, drivers experience high
stress and waste gallons of fuel idling in traffic. Consequently, harmful
exhaust fumes accumulate, creating heavy smog over the valley.
Passage B: Problem and Solution
The city of Oakridge faced a severe transportation crisis: morning highway
gridlock was causing driver delays and heavy air pollution. To address this
serious dilemma, city planners introduced an innovative three-part solution.
First, they built an electric light-rail train connecting the suburbs directly
to the city center. Second, they created dedicated carpool lanes to reward
people who share rides. Finally, they designed bike paths equipped with rental
stations. Within one year, highway congestion dropped by thirty percent,
successfully resolving the city's traffic gridlock.
Analyzing the Difference
- Passage A traces a chain of results: Heavy volume (Cause) -> Slow traffic (Effect) -> Driver stress and fuel waste (Effect) -> Exhaust smog (Effect). No solution is offered.
- Passage B outlines the crisis (gridlock and pollution) and focuses on the concrete remedies (train, carpool lanes, bike paths) that solved the problem.
Practice Exercises and Analysis
Sharpen your structural reading skills.
Exercise 1: Identify the Structure
Read each paragraph and identify whether it uses Cause/Effect or Problem/Solution.
1. Many honeybee colonies were disappearing because invasive mites were infesting hives. Scientists tackled this issue by breeding mite-resistant bees and creating organic plant treatments, which saved thousands of hives.
2. When ocean temperatures rise, coral polyps become stressed and expel the colorful algae living inside their tissues. As a result, the coral turns completely white in a process known as coral bleaching.
Exercise 2: Signal Word Identification
Find the two signal words in sentence 1 of Exercise 1 that tipped you off to the structure.
Answer Key and Explanations
- Exercise 1:
- Problem and Solution (Mite infestation was the dilemma; breeding resistant bees and organic treatments were the solutions).
- Cause and Effect (Rising temperatures caused coral to expel algae, resulting in coral bleaching).
- Exercise 2: Signal words: "because" (indicates the cause/dilemma) and "tackled this issue" / "saved" (indicates problem and solution).