Transcript Document

INTERPRETING
PICTURE GRAPHS
GRADE 3
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Hello, How are you doing?
Today, we are going to start a new lesson on
Pictograph.
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Key
•
Key indicates how many items each
symbol stands for.
Example- Each key ● (symbol) represents 3
students.
Favorite Food of Third grade students
Food
Burger
Number of students
●●●●
Sandwich
Pizza
●●●
●●
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Pictograph
A graph that shows data by using symbols.
Example- The following pictograph shows the number of books
sold by a Book Store in 3 months.
Month
Number of books Symbols
March
50
◊◊◊◊◊
April
40
◊◊◊◊
may
30
◊◊◊
Each ◊ represents 10 books.
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Important Tips
•
•
In Pictographs, one symbol can indicate
only one item.
To find the total number of items, add the
number of all the items.
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Model Pictograph
Step 1: Write the title at the top of the
graph. Write a label for each row.
Step 2: List the items.
Step 3: Use symbols to represent equal
number of items.
Step 4: Use a key to tell the number each
symbol represent.
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Make a Pictograph for the following
graph.
Month
Sale of Burgers
June
65
July
70
August
55
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Solution
Sale of burgers
Each ● represents 10 burgers and ◦ represents
5 burgers
Month
Sale of burgers
June
●●●●●●◦
July
●●●●●●●
August
●●●●●◦
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If 20 more burgers were sold in June,
how would the pictograph change?
Two (2) more ● symbols were introduced in
the month of June.
Month
Sale of burgers
June
●●●●●●●●◦
July
●●●●●●●
August
●●●●●◦
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How many more burgers were sold in
the month of July than August?
Answer - 15
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Refer to the pictograph given below and
answer the questions.
Each ☺ represents 10 and each ● represents 5 people.
Day
Saturday
Sunday
Monday
Number of Visitors to Zoo
☺ ☺ ☺ ☺●
☺☺☺☺☺☺
☺ ☺ ☺●
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a)
How many visitors visited the Zoo
in all?
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b) How many more visitors visited the
Zoo on Sunday than on Monday?
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c)
How many visitors visited the
Zoo on Sunday?
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ASSESSMENT
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1.
Prepare a Pictograph for the
following table given below.
Sport
Children
Football
18
Rugby
11
Tennis
17
Baseball
15
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Refer to the Pictograph given below
and answer the Questions (2 -5).
Number of Pizzas sold on different days
Each Ο represents 4 pizzas and each ●
represents 2 pizzas.
Day
Number of Pizzas sold
Monday
ΟΟΟΟ●
Tuesday
ΟΟΟΟΟΟΟ
Wednesday
ΟΟΟΟΟΟ●
Thursday
ΟΟΟΟΟ
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2.
How many Pizzas were sold on
Monday?
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3.
How many more pizzas were sold
on Wednesday than on Monday?
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4.
If 10 more pizzas were sold on
Tuesday, how would the pictograph
change?
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5.
How many pizzas were sold in all
the four days?
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Refer to the Pictograph and data table
to answer the question(6-8)
.Student
Sam
Number of Pages read in a day
19
David
Peter
Maria
10
11
10
Student
Sam
David
Number of Pages read in a day
◊◊◊◊◊◊◊◊◊ ▫
◊◊◊◊◊
Peter
Maria
◊◊◊◊◊ ▫
◊◊◊◊◊
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6.
How many students read more
than 10 pages of a book in a day?
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7.
Which two students read same
number of pages in day?
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8.
How many more pages do Sam has
to read to complete the book, if
book has 50 pages?
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9.
Make a pictograph for the following
table.
Name of Animal
Number of Animals
Monkey
15
Lion
3
Dog
12
Zebra
3
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10. How many animals are there in the
Zoo. (Use the information in
question #9)
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Well Done
Now Practice worksheets on the Lesson.
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