Clue Finder Worksheet Clue Finder Worksheet
Finding the Central Idea & Supporting Clues
TEKS 4.9(D)(i)
Name:
Date:
Detective Strategy: The Main Idea Formula
1. The Topic WHO or WHAT is the text about?
2. Key Point WHAT about the topic does the author say?
= Main Idea The big point the author wants you to know!
Passage 1
Super Sniffer Dogs
Read each numbered sentence carefully.
①Search-and-rescue dogs use their powerful sense of smell to find lost people. ②These brave dogs can track a lost hiker through thick pine forests and deep snow. ③Their wet noses have over 200 million scent receptors that catch tiny odors in the air. ④By following faint trails that humans cannot detect, these working dogs save lives every day.
1
Identify the Topic
Who or what is this passage mostly about?
A Deep pine forests
B Search-and-rescue dogs
C Hiking in snowy weather
2
Identify the Key Point
What important point does the author make?
A Dogs get cold paws easily
B Their nose power helps save lives
C Pine trees have strong scents
3
Assemble the Central Idea
Combine Topic + Point into one sentence.
Complete the sentence frame using your clues from above:
The main idea is that search-and-rescue dogs use
to help
.
4
Find the Supporting Clues
Select 2 details
Which two sentences from the story give facts that prove the main idea?
Sentence ②: They track hikers in forests and deep snow.
Sentence ③: Their noses have 200 million scent receptors.
Detective Check: A central idea covers the whole text. A detail only tells one small fact!
Detail Detective Worksheet Detail Detective Worksheet
Evaluating Evidence & Spotting the Central Idea
TEKS 4.9(D)(i) TEKS 4.6(G)
Name:
Date:
Case 01
Master Changers
Read the clues and find the central idea
①Chameleons have amazing body adaptations that help them survive in the wild. ②Their skin can change color to blend into green leaves and hide from predators. ③They can also move each eye in a different direction at the same time to watch for danger.
A. What is the central idea?
A Leaves are green in the wild.
B Chameleons have traits that help them survive.
C Predators like to look for lizards.
B. Find the Proof
Write one specific detail from the text that proves your answer:
Case 02
Veggie Astronauts
Rogue Clue Mystery!
①Astronauts are learning how to grow fresh food aboard the space station. ②They use special pink LED lights to help salad greens grow without sunlight. ③Astronauts wear heavy white spacesuits when they walk outside in space. ④The plant roots grow inside wet pillows so water droplets do not float away.
1. Write the Central Idea:
The main idea is that astronauts are testing ways to while in space.
2. Detective Challenge: Spot the Rogue Clue! Which sentence does NOT support the main idea?
Sentence ①
Sentence ②
Sentence ③
Sentence ④
Sentence does not belong because it tells about , not about growing food!
Detective Self-Check Did your clues support the big picture?
Found central idea
Found proof
Spotted rogue clue
Idea Builder Worksheet Idea Builder Worksheet
Constructing the Central Idea & Supporting Pillars
TEKS 4.9(D)(i) Graphic Organizer
Name:
Date:
Builder Rule: The Central Idea is the strong roof. The Supporting Details are the three pillars holding it up!
Building Report
Nature's Master Engineers
Read the facts below
①Beavers have extraordinary body traits that allow them to reshape the wild. ②Using razor-sharp orange teeth, they chop down thick trees in just minutes. ③They construct deep ponds that provide safe wetlands for fish, ducks, and frogs. ④Their heavy mud-and-stick dams slow down rushing rivers to stop dangerous floods.
★ The Central Idea (The Roof)
What is the big point of the text?
Sentence Frame: Beavers have amazing traits that help them and protect .
▲ Pillar 1 ▲ Pillar 2 ▲ Pillar 3
1 Detail Pillar 1
How do they cut wood?
They use sharp
to cut down trees.
2 Detail Pillar 2
What homes do they make?
They build ponds for
and other wildlife.
3 Detail Pillar 3
How do dams help?
Their dams stop
from happening.
The Pillar Test: Can a central idea stand alone without its detail pillars?
YES NO (Details prove it!)
Headline Hunter Worksheet Headline Hunter Worksheet
Matching Central Ideas to Breaking News Reports
TEKS 4.9(D)(i) TEKS 4.6(G)
Editor Name:
Date:
Newsroom Rule: A great headline tells the Central Idea of the whole story, not just one tiny fact!
News Desk 01
Robots in the Hospital
Read and pick the best headline
①Smart helper robots are now rolling down hallways to assist busy doctors and nurses. ②These high-tech machines carry heavy medicine boxes from room to room. ③They also flash special ultraviolet light inside empty rooms to destroy harmful germs. ④By taking over heavy chores, helper robots allow staff to spend more time saving lives.
A. Pick the Best Headline (Central Idea):
A Robots Flash Bright Blue Lights
B Helper Robots Assist Hospital Workers
C Medicine Boxes Are Very Heavy
B. Supporting Evidence Clue:
Which sentence tells how robots keep rooms clean?
Sentence Number:
Sentence ③ (Flashes light to zap germs)
News Desk 02
The Waggle Dance Code
Write your own headline
①Honeybees have a clever dance language to share where delicious flower nectar is located. ②A scout bee wiggles her body in a circle to show the exact direction of the flowers. ③The speed of her shaking body tells the other bees how many miles to fly. ④By watching this dance, the entire colony can work together to collect food.
Reporter Word Bank:
Honeybees Dance code Share directions Find food
Write the Main Idea Headline:
Headline: Honeybees use a to help their hive .
News Editor Stamp: A detail is one tree. The central idea is the whole forest!
Editor Grade:
