Read Grade-Level Informational Texts
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5th Grade ELA › Read Grade-Level Informational Texts
Read the passage, then answer the question.
Seeds of Change: How a New Crop Traveled
In the 1500s, ships crossed the Atlantic Ocean more often than ever before. People usually remember this time for exploration, but another kind of travel was just as significant: the movement of plants. When a crop moved to a new place, it could change what people ate, how they worked, and even where they lived.
One crop that traveled widely was maize, which many people today call corn. Long before Europeans arrived in the Americas, Indigenous farmers had investigated which seeds produced the strongest plants. Over many generations, they selected seeds from the best harvests. This careful process, sometimes called selective breeding (choosing traits on purpose), made maize more reliable and easier to grow.
After contact between continents increased, maize seeds were carried on ships to Europe and then to parts of Africa and Asia. Maize spread partly because it could grow in different climates and soils. In contrast, some familiar European grains needed cooler weather or special kinds of fields. As a result, farmers in new regions could plant maize where other crops struggled.
However, the new crop did not solve every problem. In some places, leaders encouraged farmers to grow maize because it produced considerable food per acre. Yet when communities relied on one crop too much, they became less prepared for droughts, pests, or plant diseases. This risk is called dependence (needing something so much that it is hard to replace).
Maize also affected trade. When harvests increased, some towns had extra food to sell, and markets expanded. Consequently, more people could live in cities, where they worked at crafts and services instead of farming. Still, the benefits were not equal everywhere, because geography, weather, and local choices shaped what happened next.
Which statement best summarizes the passage?
Cities grew smaller after maize arrived because fewer people needed to buy food at markets.
Indigenous farmers refused to share maize seeds, so the crop stayed in the Americas for hundreds of years.
Maize traveled to new continents, and it influenced farming and trade while also creating risks when people depended on it too much.
Maize was invented in Europe and quickly replaced all other crops because it grew best in cold climates.
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests main idea comprehension. This passage is at the high end of grades 4-5 complexity (Lexile 850-900 range) with sophisticated vocabulary like 'selective breeding' and 'dependence,' complex sentence structures averaging 15-20 words, and abstract concepts such as agricultural trade relationships. The question tests whether students can identify the overall focus amidst multiple details about maize's journey and impact. Choice B is correct because it accurately captures the main idea of the entire passage: maize traveled globally, influenced farming and trade, but also created risks from over-dependence. This demonstrates proficient comprehension of complex grade-level text. Choice A represents a too-specific error that contradicts the text (maize originated in the Americas, not Europe) and misses the broader impact. Students who select this may have misread key details or focused on one aspect without considering the whole passage. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For main idea comprehension: distinguish topic from main point, check if answer captures whole passage not just one section. (7) Gradually release support: start with think-alouds, move to guided practice, then independent reading with accountability.
Read the passage, then answer the question.
A Small City, Big Water Problem
Sofia’s town is located near a lake, so people assume water will always be plentiful. Yet in late summer, the lake level sometimes drops, and the water becomes warmer. Warmer water can hold less dissolved oxygen, which fish need to survive. At the same time, fertilizers from nearby lawns and farms may wash into the lake after rain.
Fertilizers contain nutrients that help plants grow. In water, those nutrients can cause algae to grow quickly. This sudden growth is called an algal bloom. At first, a bloom may look like a green paint spill on the surface, but the real problem often happens later.
When the algae die, bacteria break them down. That process uses oxygen, so the amount of oxygen in the water can fall. Consequently, fish and other animals may struggle, especially if the lake is already warm. The town noticed that fish were staying near the surface, where oxygen was slightly higher.
Local leaders discussed several solutions. They asked residents to use less fertilizer and to plant native grasses near the shore. These grasses act like a filter, slowing runoff and trapping soil. The town also tested the water more often, because good decisions require accurate information.
By early fall, the lake improved. The leaders understood that the lake’s health depended on many connected factors, not one single cause. Sofia realized that protecting water is not only a science issue; it is also a community responsibility.
Based on the passage, what caused the fish to struggle in the lake?
The lake became colder, which made algae stop growing.
Too much oxygen entered the lake, which made fish swim to the bottom.
Native grasses added fertilizer to the lake, which increased fish food.
Warm water and oxygen being used up as algae were broken down lowered oxygen levels.
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests understanding cause-effect relationships in scientific contexts. This passage is at the high end of grades 4-5 complexity (Lexile 850-900 range) with sophisticated scientific vocabulary like 'algal bloom' and 'dissolved oxygen,' complex sentence structures, and abstract concepts about ecosystem interactions. The question tests whether students can identify the compound causes that led to fish struggling in the lake. Choice C is correct because it accurately combines both factors mentioned in the text: warm water (which holds less oxygen) and oxygen depletion from bacteria breaking down dead algae. This demonstrates proficient comprehension of multiple interacting causes in complex text. Choice A represents a reversed cause-effect error - the text states warm water was a problem, not cold water stopping algae. Students who select this may have confused the sequence of events or made assumptions contrary to the text. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For cause-effect relationships: trace the chain of events (fertilizer → algae growth → algae death → bacteria use oxygen → fish struggle), identify multiple contributing factors. (7) Gradually release support: start with think-alouds, move to guided practice, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
In a democracy, citizens have a voice in how their community is governed. That voice can be expressed in several ways, including voting, speaking at meetings, and contacting leaders.
Paragraph 2
Voting is one of the most familiar tools. When citizens vote, they choose leaders or decide on issues. Yet voting alone does not solve every problem, because leaders still need information about what people need.
Paragraph 3
Another tool is public discussion. For example, a town council may hold a meeting where residents share ideas about parks, roads, or school budgets. Although a single speech may not change a decision, many voices together can demonstrate what matters to the community.
Paragraph 4
Citizens can also communicate directly with representatives by writing letters or emails. A message that includes clear reasons and evidence is often more persuasive than a complaint without details.
Paragraph 5
Participation takes time, and not everyone agrees. Still, these tools are connected: they help leaders make decisions and help citizens hold leaders accountable.
Question: Which detail from the passage best supports the idea that voting is important but not enough by itself?
“In a democracy, citizens have a voice in how their community is governed.”
“Yet voting alone does not solve every problem, because leaders still need information about what people need.”
“When citizens vote, they choose leaders or decide on issues.”
“Participation takes time, and not everyone agrees.”
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests literal comprehension of supporting details. This passage is at the high end of grades 4-5 complexity with sophisticated civic vocabulary like 'democracy,' 'representatives,' and 'accountable,' complex sentence structures, and abstract concepts about democratic participation. The question tests whether students can locate specific text evidence supporting a given idea. Choice C is correct because this sentence directly supports the idea that voting alone isn't sufficient—it explicitly states 'Yet voting alone does not solve every problem, because leaders still need information about what people need,' providing clear textual evidence for the concept. This demonstrates proficient literal comprehension of complex grade-level text. Choice A represents a wrong-focus error, providing a general statement about democracy rather than specific evidence about voting's limitations. Students who select this may not have carefully matched the question's specific requirement to the text details. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For literal comprehension of supporting details: find exact location in text that addresses the question, verify the selected quote directly supports the stated idea, distinguish between general topic sentences and specific supporting evidence. (7) Gradually release support: start with think-alouds showing how to match questions to text evidence, move to guided practice, then independent reading with accountability.
Read the passage, then answer the question.
The Branches of Government: Sharing Power
Many countries use systems that divide power, because concentrating power in one place can be risky. In the United States, the Constitution created three branches of government. Each branch has different responsibilities, and each can limit the others. This arrangement is sometimes described as a set of checks and balances.
The legislative branch makes laws. It includes elected representatives who debate ideas and vote. The executive branch carries out the laws, which means it helps put decisions into action. The judicial branch interprets laws, deciding what they mean when people disagree.
These jobs are connected. For instance, lawmakers may pass a law, but it might be challenged in court. If judges decide the law conflicts with the Constitution, it may not be used. Meanwhile, the executive branch must follow court decisions, even if leaders disagree.
The system can feel slow, and that is partly the point. When several groups must agree, they are more likely to analyze a decision carefully. However, the system also requires cooperation. If branches refuse to work together, important problems may take longer to solve.
Understanding the branches helps citizens evaluate news and participate in their communities. When people know who is responsible for what, they can ask better questions and make more informed choices.
How is the information in this passage organized?
It tells a story in strict time order from the past to the present.
It compares three branches by describing each one’s role and explaining how they interact.
It lists steps for conducting a science experiment and reporting results.
It explains how to build a model government using only household materials.
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests text structure recognition. This passage is at the high end of grades 4-5 complexity (Lexile 850-900 range) with sophisticated governmental vocabulary, complex sentence structures about political systems, and abstract concepts about checks and balances. The question tests whether students can recognize the organizational pattern used to present information about government branches. Choice B is correct because it accurately identifies the compare-contrast structure: the passage describes each branch's role (legislative makes laws, executive carries out laws, judicial interprets laws) and explains how they interact through checks and balances. This demonstrates proficient comprehension of text organization in complex material. Choice A represents misidentifying the structure as chronological when the passage actually uses topical organization. Students who select this may have confused description with time sequence or not recognized the compare-contrast pattern. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For text structure: identify transitions and organizational patterns (for instance, meanwhile show comparison; first/next show sequence), determine if the whole text follows one pattern. (7) Gradually release support: start with think-alouds, move to guided practice, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
If you have ever watched a puddle disappear after a sunny day, you have seen evaporation at work. However, that “vanishing” water is not gone; it is moving through the water cycle, a system that constantly recycles Earth’s water.
Paragraph 2
The cycle often begins when the Sun warms oceans, lakes, and even damp soil. As a result, liquid water changes into water vapor (a gas) and rises into the air. This change of state is called evaporation. Plants also release water vapor through tiny openings in their leaves; this process, known as transpiration, can add a considerable amount of moisture to the atmosphere.
Paragraph 3
Higher in the sky, the air is cooler. When water vapor cools, it condenses, meaning it turns back into tiny liquid droplets. These droplets gather around small particles in the air, such as dust, and form clouds. Although clouds may look heavy, each droplet is so small that it can float.
Paragraph 4
Eventually, the droplets collide and combine. When they become large enough, gravity pulls them down as precipitation, which can be rain, snow, sleet, or hail. Some precipitation soaks into the ground and becomes groundwater, while the rest flows over land as runoff.
Paragraph 5
Runoff can travel into streams and rivers, carrying soil with it. Consequently, fast-moving water may cause erosion, which is the wearing away of rock and soil. In contrast, when water slows down, it can drop the soil it carried and form new land, such as a small sandbar.
Paragraph 6
The water cycle demonstrates how Earth’s systems are connected. Water does not follow only one path, but it always keeps moving, powered by the Sun and pulled by gravity.
Question: Which statement best summarizes the passage?
The Sun heats oceans more than lakes, so most water vapor comes from oceans.
Erosion happens whenever rain falls on mountains and washes away large rocks.
Clouds form only when dust rises from the ground and mixes with cold air.
The water cycle moves water through evaporation, condensation, and precipitation, and it can also affect land through runoff and erosion.
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests main idea comprehension. This passage is at the high end of grades 4-5 complexity (Lexile 850-900 range) with sophisticated vocabulary like 'evaporation,' 'transpiration,' and 'erosion,' complex sentence structures averaging 15-20 words, and abstract scientific concepts. The question tests whether students can identify the overall focus of the entire passage amidst multiple detailed processes. Choice B is correct because it accurately captures the main idea of the entire passage: the water cycle's complete process (evaporation, condensation, precipitation) AND its broader impacts (runoff and erosion), demonstrating proficient comprehension of complex grade-level text. Choice D represents a too-specific error, focusing only on one detail from paragraph 2 about ocean heating. Students who select this may have focused on one interesting detail rather than synthesizing the whole passage. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For main idea comprehension: distinguish topic from main point, check if answer captures whole passage not just one section, look for answer that encompasses all major concepts discussed. (7) Gradually release support: start with think-alouds, move to guided practice, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
Soil may look like plain dirt, but it is a mixture of minerals, air, water, and tiny pieces of once-living things. Healthy soil supports gardens, farms, and forests.
Paragraph 2
Soil forms slowly. First, rocks break into smaller pieces through weathering. Water can freeze in cracks and expand, and plant roots can push rocks apart. Over time, these pieces mix with decayed leaves and other organic matter.
Paragraph 3
The top layer, called topsoil, is usually dark because it contains many nutrients. Below it, subsoil has fewer nutrients and often more clay. Although subsoil can hold water, many plant roots grow best in topsoil.
Paragraph 4
Soil can be lost faster than it forms. When heavy rain hits bare ground, runoff may carry topsoil away. Wind can also move dry soil, especially in places with few plants.
Paragraph 5
Farmers and gardeners use solutions to reduce erosion. They may plant cover crops, leave some plant material on the ground, or build terraces on slopes. These methods slow water and wind, helping soil stay in place.
Question: How does paragraph 5 relate to the rest of the passage?
It lists reasons soil is not important for plants.
It compares weathering and erosion to show they are the same process.
It gives a new definition of topsoil that corrects the earlier paragraphs.
It presents solutions to a problem explained earlier: soil can be lost through erosion.
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests understanding relationships between text sections. This passage is at the high end of grades 4-5 complexity with sophisticated scientific vocabulary like 'weathering,' 'topsoil,' and 'erosion,' complex sentence structures, and abstract concepts about soil formation and conservation. The question tests whether students can explain how one paragraph relates to the overall text structure. Choice A is correct because paragraph 5 presents solutions (cover crops, terraces) to the problem explained in paragraph 4 (soil can be lost through erosion), demonstrating a clear problem-solution relationship between these sections. This shows proficient comprehension of how text parts connect. Choice C represents a wrong-relationship error, incorrectly stating the paragraph compares weathering and erosion as the same process, when actually paragraph 2 discusses weathering (rock breaking) and paragraph 4 discusses erosion (soil loss)—different processes. Students who select this may have confused these distinct concepts or not recognized the problem-solution structure. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For relationships between text sections: identify what each paragraph contributes, look for connecting words or ideas, recognize common patterns like problem-solution, cause-effect, or process-description. (7) Gradually release support: start with think-alouds mapping paragraph relationships, move to guided practice, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
An ecosystem is a community of living things, such as plants and animals, interacting with their environment. Even a small pond can be an ecosystem because many organisms depend on one another.
Paragraph 2
In a pond, algae and water plants capture sunlight and make food through photosynthesis. These producers form the base of a food web. Small insects and snails eat the plants, and then fish may eat the insects.
Paragraph 3
Not every organism gets energy by hunting or grazing. Decomposers, including bacteria and fungi, break down dead plants and animals. This process returns nutrients to the water and mud, which helps producers grow again.
Paragraph 4
Changes in one part of the pond can affect many others. For example, if pollution blocks sunlight, producers may grow more slowly. As a result, there is less food for insects, and fish populations may also decrease.
Paragraph 5
Scientists often analyze ecosystems by looking for relationships. When they observe a pond over time, they can investigate which changes are temporary and which are long-lasting.
Question: As used in paragraph 3, what does the word returns most nearly mean?
Refuses to share
Goes back or gives back
Earns a reward
Turns around quickly
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests vocabulary in context. This passage is at the high end of grades 4-5 complexity with sophisticated scientific vocabulary like 'ecosystem,' 'photosynthesis,' and 'decomposers,' complex sentence structures, and abstract ecological concepts. The question tests whether students can determine word meaning in academic context using surrounding text clues. Choice A is correct because 'returns' in this context means 'gives back'—the text states decomposers break down dead matter and this process 'returns nutrients to the water and mud,' clearly indicating nutrients are given back to the environment. This demonstrates proficient comprehension of academic vocabulary in complex text. Choice C represents a common meaning in wrong context error—while 'returns' can mean 'turns around quickly' in some contexts, this physical motion meaning doesn't fit the scientific process being described. Students who select this may have used the most familiar word meaning without checking context clues about nutrients and decomposition. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For vocabulary in context: read surrounding sentences for clues, consider domain-specific meaning in science texts, substitute answer choices into the sentence to check which makes sense, look for explanation or examples that clarify meaning. (7) Gradually release support: start with think-alouds, move to guided practice, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
Long before airplanes, people traveled and traded using rivers. Rivers acted like natural roads because boats could carry heavy goods more easily than wagons on rough land.
Paragraph 2
However, rivers were not always easy to use. Some had waterfalls or shallow areas that blocked travel. In the 1800s, builders created canals, which are human-made waterways, to connect rivers and lakes.
Paragraph 3
Canals often included locks. A lock is a chamber with gates that can raise or lower a boat by changing the water level. First, a boat enters the chamber and the gate closes behind it. Next, water is added or drained until the boat reaches the new height. Finally, the front gate opens and the boat continues.
Paragraph 4
Canals changed where people settled. Towns grew near canal routes because workers, shops, and warehouses were needed. Consequently, farmers could send crops to distant cities, and city factories could ship tools back to rural areas.
Paragraph 5
Eventually, railroads became faster in many regions. Even so, canals demonstrate how engineering can solve geographic problems and influence migration and trade.
Question: How is the information in the passage mainly organized?
Compare-contrast between canals and oceans
Description of famous canal workers and their daily routines
Problem-solution focused only on why railroads replaced canals
Sequence and cause-effect, explaining how canals work and how they changed settlements and trade
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests text structure recognition. This passage is at the high end of grades 4-5 complexity with sophisticated vocabulary like 'locks,' 'chamber,' and 'engineering,' complex sentence structures, and abstract concepts about human-made waterways and their impacts. The question tests whether students can recognize the organizational structure of the entire passage. Choice B is correct because it accurately identifies the text's dual structure: sequence (paragraph 3's step-by-step explanation of how locks work with 'First...Next...Finally') AND cause-effect (paragraph 4's explanation of how canals caused settlement changes with 'Consequently'), demonstrating proficient comprehension of complex text organization. Choice C represents a one-part-only error, identifying problem-solution but missing the sequence structure and incorrectly stating the passage focuses only on railroad replacement. Students who select this may have identified structure of one section without analyzing the whole passage's organization. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For text structure: identify transition words and organizational patterns throughout the passage, recognize when multiple structures are used, distinguish between structure of individual paragraphs versus overall passage organization. (7) Gradually release support: start with think-alouds highlighting structure clues, move to guided practice mapping text organization, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
When engineers design a bridge, they do not begin by choosing paint colors. First, they identify the problem: the bridge must safely carry people and vehicles over an obstacle, such as a river.
Paragraph 2
Next, engineers list criteria and constraints. Criteria are goals the design should meet, like holding a certain weight. Constraints are limits, such as a budget or the materials available.
Paragraph 3
Then they create and test models. A model might be a small structure made from wood or a computer simulation. If a model bends too much, engineers analyze why it failed and revise the design.
Paragraph 4
Testing happens more than once. In fact, a successful bridge is usually the result of many improvements, not a single perfect idea. Furthermore, engineers must consider the environment, because wind, water, and temperature changes can weaken materials over time.
Paragraph 5
Finally, builders follow the plan to construct the bridge. Even during construction, inspectors measure and investigate to make sure the bridge matches the design and remains safe.
Question: As used in paragraph 2, what does the word constraints mean?
Instructions that are optional and rarely followed
Limits or restrictions that affect what can be done
Decorations added at the end of a project
Mistakes that engineers ignore during testing
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests vocabulary in context. This passage is at the high end of grades 4-5 complexity with sophisticated engineering vocabulary like 'criteria,' 'constraints,' and 'simulation,' complex sentence structures, and abstract concepts about design processes. The question tests whether students can determine technical word meaning using context clues. Choice A is correct because 'constraints' means 'limits or restrictions'—the text explicitly defines it as 'limits, such as a budget or the materials available,' making this the accurate meaning in engineering context. This demonstrates proficient comprehension of technical vocabulary in complex text. Choice B represents a partial-meaning error, confusing 'constraints' with decorative elements, possibly because both relate to design projects but in completely different ways. Students who select this may not have used the direct definition provided in the text immediately after the term. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For vocabulary in context: look for direct definitions or explanations following technical terms, use examples given to understand meaning, recognize when texts define terms explicitly versus requiring inference from context. (7) Gradually release support: start with think-alouds identifying context clues and definitions, move to guided practice, then independent reading with accountability.
Read the informational text, then answer the question.
Paragraph 1
Many animals migrate, meaning they move from one region to another during the year. Migration can seem mysterious, but it often helps animals find food, safer weather, or places to raise young.
Paragraph 2
One example is the monarch butterfly. In late summer and fall, monarchs in parts of North America travel hundreds or even thousands of miles to warmer forests in Mexico and along the California coast.
Paragraph 3
Scientists have investigated how monarchs navigate. They have learned that monarchs use the position of the Sun and an internal “clock” in their bodies. This clock helps them adjust as the Sun’s location changes during the day.
Paragraph 4
Migration also has risks. Storms can blow insects off course, and habitats along the route may disappear if forests are cut down. Consequently, fewer resting places can make the journey harder.
Paragraph 5
Because migration depends on many connected habitats, protecting only one location is not enough. Conservation groups work with communities in different regions so monarchs can complete their long trip.
Question: According to the passage, what caused migration to become more difficult for some monarch butterflies?
Forests and other habitats along the route were reduced, leaving fewer places to rest.
Scientists prevented monarchs from traveling by studying them too closely.
Monarchs stopped using the Sun to navigate.
Monarchs began migrating in spring instead of fall.
Explanation
This question assesses CCSS.RI.5.10: reading and comprehending informational texts at the high end of grades 4-5 text complexity band independently and proficiently. It specifically tests literal comprehension of cause-effect relationships. This passage is at the high end of grades 4-5 complexity with sophisticated scientific vocabulary like 'migrate,' 'navigate,' and 'conservation,' complex sentence structures, and abstract concepts about animal behavior and environmental impacts. The question tests whether students can identify explicitly stated cause-effect relationships in the text. Choice B is correct because paragraph 4 directly states that 'habitats along the route may disappear if forests are cut down' and 'Consequently, fewer resting places can make the journey harder,' explicitly explaining how habitat reduction causes migration difficulty. This demonstrates proficient comprehension of stated relationships in complex text. Choice A represents a wrong-connection error, incorrectly suggesting monarchs changed their navigation method rather than facing environmental obstacles. Students who select this may have confused different concepts in the passage or not carefully read the cause-effect relationship stated in paragraph 4. To help students comprehend complex grade-level texts independently: (1) Build stamina for longer, more sophisticated passages (300-400 words with academic vocabulary and complex sentences). (2) Teach annotation while reading: underline key terms, bracket main ideas, circle transition words, note relationships with arrows. (3) Model strategic reading: preview headings/structure, read actively asking questions (What's this about? Why is this important? How do ideas connect?), summarize sections mentally, identify text structure. (4) Explicitly teach complexity features: point out sophisticated vocabulary, analyze complex sentence structures, identify abstract concepts and how they're explained. (5) Practice close reading: read once for general understanding, re-read to answer specific questions, check answers against text. (6) For cause-effect relationships: look for signal words like 'because,' 'consequently,' 'as a result,' trace what led to what, distinguish between correlation and causation in scientific texts. (7) Gradually release support: start with think-alouds highlighting cause-effect signals, move to guided practice mapping relationships, then independent reading with accountability.