Prepare a bar graph based upon scientific data AIM: What is a bar graph?
How to Create a Bar Graph - Grade 3
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Transcript of How to Create a Bar Graph - Grade 3
Creating a Bar Graph
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Read the IdeasThe grade threes are in a play. They need costumes. But each student weighs a different amount. Use the data to create a bar graph to determine how many of each size need to be ordered.
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What are we Measuring?
1. Weight of Grade Three Students2. Costumes of Grade Three Students3. Students in Grade Three are in a Play
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TitleWhat we measure becomes the TITLE of our bar graph. Be sure to capitalize the important words in the title.
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Tally the Data.
59 60 61 62 63 64 65 66 67 68
All these number sit on the x-axis.
John63
Margie68
Peggy59
Caleb68
Michael60
Devon63
Ryan63
Caitlin67
Julie68
Hunter60
Meg63
Brian59
Helen59
Karen62
Marcus62
Jack61
Sophie66
Evan63
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Tally the Data.
59 60 61 62 63 64 65 66 67 68
What do these numbers measure?That becomes the title of the x-axis!
John63
Margie68
Peggy59
Caleb68
Michael60
Devon63
Ryan63
Caitlin67
Julie68
Hunter60
Meg63
Brian59
Helen59
Karen62
Marcus62
Jack61
Sophie66
Evan63
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Tally the Data.John63
Margie68
Peggy59
Caleb68
Michael60
Devon63
Ryan63
Caitlin67
Julie68
Hunter60
Meg63
Brian59
Helen59
Karen62
Marcus62
Jack61
Sophie66
Evan63
59 60 61 62 63 64 65 66 67 68
lll ll l l llll l l lll
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Tally the Data.John63
Margie68
Peggy59
Caleb68
Michael60
Devon63
Ryan63
Caitlin67
Julie68
Hunter60
Meg63
Brian59
Helen59
Karen62
Marcus62
Jack61
Sophie66
Evan63
59 60 61 62 63 64 65 66 67 68
lll ll l l llll l l lll
What does each tally mark represent?That becomes the title of the y-axis.
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Make your GraphWeight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
These numbers
came from the tally.They go
beneath the box, not on
the line.
543210
These numbers are the tally
marks. They sit on the line.
Sometimes they will be in intervals
depending on the greatest number of tally marks.
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Make your GraphWeight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
543210
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Find the MinimumWeight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
543210
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Find the MaximumWeight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
543210
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Find the Range = Weight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
543210
maximum - minimum
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Find the Mode Weight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
543210
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Find the Median Weight of Students in Grade Three
Weight of Students
Numb
er of
Stud
ents
59 60 61 62 63 64 65 66 67 68
543210
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Find the Median 59 60 61 62 63 64 65 66 67 68
lll ll l l llll l l lll
Write out each data value in order.
Since there are 3 people
who weigh 59 pounds, write 59
three times.
59 59 59 60 60 61 62 63 63 63 63 63 66 67 68 68 68Cross out one on each end until you find the middle number.59 59 59 60 60 61 62 63 63 63 63 63 66 67 68 68 68
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