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Recognizing the Main Idea

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Title: Recognizing the Main Idea


1
Recognizing the Main Idea
Created by Jackie Collins and Lisbet Gray
2
What is a Main Idea?
A paragraph has two essential components 1) The
main idea expressed in topic sentence. 2)Additiona
l sentences providing supporting details.
3
Identify the main idea in each paragraph.
Click on the sentence that states the main idea.
4
Lantern fish live near the bottom of the ocean
where it is very dark, so they carry their own
lights. The lights look like tiny glowing
pearls. They are called photophores. A
lantern fish can flash its photophores on and off.
1)The light looks like tiny glowing pearls.
2) Lantern fish live near the bottom of the
ocean where it is very dark, so they carry their
own lights.
5
sorry
OOPS! TRY AGAIN.
6
CORRECT
7
A backswimmer has a rounded back and
its underside is flat. When it floats on its
back it looks like a little boat. It rows
itself along in the water using its two hind
legs like oars. The backswimmer spends most of
its time upside down.
1) The backswimmer spends most of its time upside
down. 2) A backswimmer has a rounded back and its
underside is flat.
8
sorry
OOPS! TRY AGAIN.
9
CORRECT
10
When Martin Luther King, Jr. spoke, people
listened. Poor people, rich people, white
people, black people, people from other
countries-they all listened. Many helped him
work, march, sing, and pray for justice. He
asked people not to fight with each other.
He suggested peaceful ways to solve problems.
Martin Luther King, Jr. had a special talent for
leadership.
1) Many people listened to Martin Luther King,
Jr.
2) Martin Luther King, Jr. was an influential
leader.
11
sorry
OOPS! TRY AGAIN.
12
CORRECT
13
Next time you see lightning, count the number of
seconds that pass until you hear thunder. The
lightning is a mile away for every five seconds
that you count. In this way, you can measure
how far the lightning is from you. Scientists
know that the speed of light is faster than the
speed of sound. So calculating the difference
between the two speeds, they have developed this
easy five-second formula.
1) You can figure out how far away lightning is.
2) The lightning is a mile away for every five
seconds that you count.
14
sorry
OOPS! TRY AGAIN.
15
CORRECT
16
That's all folks!
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