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Grade 4 Reading Comprehension
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Main Idea & Details
Main Idea & Details Printables
Main Idea & Details 32 free to print or download.
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Robot That Learned to Wait
In Mr. Okafor’s classroom sat a small robot named Pip that loved to help.
The trouble was that Pip helped too fast, finishing tasks before anyone could try.
When a student struggled to tie a shoe, Pip zoomed over and tied it in a blink.
The students groaned; they never got the chance to learn anything themselves.
Mr. Okafor gently reprogrammed Pip with a single new rule: count to twenty first.
Now Pip waited, offering a hint only when a student was truly stuck.
Soon the whole class was learning more, and Pip was prouder than ever.
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Reading Worksheet
Main Idea: The Robot That Learned to Wait
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Tide Pool Detective
Every summer, Nadia explored the rocky tide pools below her grandmother’s house.
One morning she found a pool where all the small crabs had vanished.
Nadia decided to solve the mystery like a real scientist.
She visited the pool at the same time for a week and wrote down what she saw.
On the fourth day, she spotted a hungry octopus hiding beneath a ledge.
The octopus crept out at low tide to hunt the crabs, then slipped away.
Nadia realized that careful observation, not luck, had solved the case.
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Reading Worksheet
Main Idea: The Tide Pool Detective
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Lantern Festival
Every winter, Mei’s village lit hundreds of paper lanterns along the river.
This year Mei was finally old enough to make and launch her very own.
She painted her lantern with a golden fish for good luck.
But as she carried it to the water, a gust of wind tore a hole in the paper.
Mei’s eyes filled with tears; her lantern would surely sink.
Her grandfather knelt beside her and helped her patch it with a bright red square.
When Mei set the mended lantern afloat, it glowed brighter than all the rest.
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Reading Worksheet
Main Idea: The Lantern Festival
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Clubhouse Vote
The four friends had finally finished building their treehouse clubhouse.
Now they argued about the most important question: what were the rules?
Dev wanted no rules at all, so anyone could do anything.
Priya worried that without rules, the little ones would get hurt.
Instead of shouting, they decided to write ideas down and vote.
Together they agreed on three fair rules that everyone could live with.
The friends learned that listening and voting worked better than arguing.
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Reading Worksheet
Main Idea: The Clubhouse Vote
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Last Mile
Ten-year-old Sofia had trained all spring for the community fun run.
On race day her legs felt strong until the very last, longest mile.
A sharp cramp seized her calf and she slowed to a limping walk.
Ahead, she could see runners she had passed now pulling away.
She wanted to quit, but she remembered all the mornings she had practised.
Breathing slowly, she pushed through the pain one careful step at a time.
Sofia did not finish first, but crossing that line felt like a victory.
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Reading Worksheet
Main Idea: The Last Mile
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Waggle Dance
When a honeybee discovers a rich patch of flowers, it faces a problem.
It must somehow tell the rest of the hive exactly where to find the food.
Bees cannot speak, so a scout uses a special movement called the waggle dance.
Back at the hive, it runs in a figure-eight while shaking its body.
The angle of the dance points the other bees toward the sun and the flowers.
The longer the bee waggles, the farther away the food is.
Thanks to this dance, thousands of bees can find a single flower patch.
Scientists study the waggle dance to understand how animals share information.
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Reading Worksheet
Main Idea: The Waggle Dance
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
Rivers of Ice
A glacier is a river of ice that moves so slowly you cannot see it.
It forms high in the mountains where more snow falls than melts each year.
Over hundreds of years, the snow is pressed into thick, solid ice.
Gravity slowly pulls this heavy ice downhill, a little each day.
As the glacier grinds along, it carves valleys and scrapes rock into powder.
When the ice reaches warmer air, its front edge melts and feeds cold rivers.
Glaciers store much of the fresh water on Earth.
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Reading Worksheet
Main Idea: Rivers of Ice
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Sky Was Her Road
Amelia grew up at a time when few people believed women should fly planes.
The first time she rode in an airplane, she knew the sky was where she belonged.
She worked long hours and saved every dollar to pay for flying lessons.
Soon she was breaking records that many pilots thought were impossible.
In 1932 she became the first woman to fly alone across the Atlantic Ocean.
The flight was cold and dangerous, and her plane was battered by storms.
Amelia’s courage encouraged girls everywhere to chase their own big dreams.
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Reading Worksheet
Main Idea: The Sky Was Her Road
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
When a Mountain Wakes
For hundreds of years a volcano can sit quietly, seeming like an ordinary mountain.
Deep beneath it, though, melted rock called magma is always building up.
As pressure grows, the ground may swell and small earthquakes rumble.
Scientists watch these warning signs closely to keep nearby towns safe.
When the pressure finally becomes too great, the volcano erupts.
Ash, gas, and glowing lava burst out and reshape the land around it.
After the eruption, rich volcanic soil helps new plants grow.
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Reading Worksheet
Main Idea: When a Mountain Wakes
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
How Bridges Hold
A bridge must carry heavy loads without bending or breaking.
Engineers use clever shapes to spread the weight safely across the whole bridge.
A beam bridge is simple but can only cross short distances.
An arch bridge pushes the weight outward into strong supports at each end.
A suspension bridge hangs its road from huge cables held by tall towers.
The cables pull the weight up and carry it to the ground through the towers.
By matching the design to the distance, engineers build bridges that last for centuries.
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Reading Worksheet
Main Idea: How Bridges Hold
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Great Butterfly Journey
Each autumn, millions of monarch butterflies begin an astonishing journey.
They fly south for thousands of miles to escape the freezing winter.
No single butterfly has ever made the trip before, yet they never get lost.
Scientists think monarchs use the sun and Earth’s magnetic field to steer.
They gather in the same few forests in Mexico year after year.
There they rest, clustered so thickly that the trees seem to turn orange.
When spring returns, a new generation begins the long journey back north.
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Reading Worksheet
Main Idea: The Great Butterfly Journey
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
Sharks: Ancient Survivors
Sharks have swum in Earth’s oceans for more than 400 million years.
They lived long before the dinosaurs and outlasted them too.
A shark’s skeleton is made of bendy cartilage, not heavy bone.
This makes sharks lighter and faster as they hunt.
Rows of sharp teeth are always ready; when one falls out, another moves forward.
Some sharks can sense the tiny electric signals given off by hidden prey.
These amazing adaptations have helped sharks survive for ages.
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Reading Worksheet
Main Idea: Sharks: Ancient Survivors
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
The Vault of Seeds
Deep inside a frozen mountain near the North Pole sits an unusual bank.
Instead of money, it stores millions of seeds from around the world.
The seeds are kept cold and dry so they can survive for hundreds of years.
If a crop is wiped out by disease, war, or weather, backups wait here.
Countries can send seeds to the vault and take copies when they are needed.
The vault is like an insurance policy for the world’s food.
It helps make sure that future farmers will still have plants to grow.
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Reading Worksheet
Main Idea: The Vault of Seeds
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
Seeing with Sound
In the dark of night, a bat can catch a tiny insect it cannot even see.
It does this by making high squeaks far too high for people to hear.
The sounds bounce off objects and echo back to the bat’s sharp ears.
From these echoes, the bat learns the size, shape, and distance of everything nearby.
This clever trick is called echolocation.
Dolphins use a similar skill to hunt fish in murky water.
By listening to echoes, these animals build a picture of a world they cannot see.
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Reading Worksheet
Main Idea: Seeing with Sound
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
Curtains of Light
On some clear nights near the poles, the sky glows with ribbons of colour.
These shimmering curtains are called the auroras.
They begin with the Sun, which flings out a stream of tiny particles.
When these particles reach Earth, our planet’s magnetic field pulls them toward the poles.
High in the air, the particles crash into gases and make them glow.
Oxygen glows green or red, while nitrogen can shine blue or purple.
For centuries, people have gazed up in wonder at this natural light show.
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Reading Worksheet
Main Idea: Curtains of Light
Ages 8–11
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Main Idea & Details
Name
Score
Read the passage. Write the main idea and three details.
Cities Under the Sea
A coral reef looks like colourful rock, but it is actually alive.
Each reef is built by millions of tiny animals called coral polyps.
The polyps grow hard skeletons that pile up over thousands of years.
These structures become busy homes for a quarter of all ocean creatures.
Fish, turtles, crabs, and sharks all depend on the reef to survive.
When the ocean grows too warm, coral can turn white and die.
Protecting reefs helps protect the countless animals that call them home.
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Reading Worksheet
Main Idea: Cities Under the Sea
Ages 8–11
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