Start Date: 9/4/09
What does a graph mean?--
What do you notice? What are the facts? How do you know? Is the graph fair?
Note: All graphs are based on the same information.
Look at the "Graph A After School Our School (OS)" below created from data from our After School Activity survey.
What does the graph mean?
What are the facts?
How many facts can you name using the graph?
Think and discuss: What do you notice? What are the facts? How do you know? Is the graph fair?
Read the next graph, "Graph B Grades/Students OS":
What do you notice? What are the facts? How do you know? Is the graph fair?
Write your reflection in the comments here:
Students in another school in New York took the same survey. These charts help you compare the results -- or do they? What do you think?
What do you notice? What are the facts? How do you know? Is the graph fair?
Chart C NYC Raw Data; Chart D OS Raw Data; Table Data
Chart E NYC Percent; Chart F OS Percent
Write your reflection in the comments here:
Chart C NYC Raw Data; Chart D OS Raw Data; Table Data
Chart E NYC Percent; Chart F OS Percent
Write your reflection in the comments here:
Now compare the next set of graphs. Remember, all graphs are based on the same information.
These graphs help you compare the results -- or do they? What do you think? How are these graphs different than the previous set of graphs?
Chart G: NYC Percent; Chart H OS Percent
Table Data 2
What do you notice? What are the facts? How do you know? Is the graph fair?
Write your reflection in the comments here:
http://writemath4u.blogspot.com/2009/09/finding-facts-g-h.html
Written reflection:
Write your reflection in the comments here:
http://writemath4u.blogspot.com/2009/09/finding-facts-g-h.html
Written reflection:
When reading a graph, what do you need to know? How will you know if the graph is a fairly explaining the information?
Resources:
Introduction to Percentage
Fractions, Percents, Decimals
Explain a Graph
Create a Graph
About Bar Graphs
Learning with Bar Graphs: See how they work
Fractions, Percents, Decimals
Percentages
Standards
Data Analysis & Probability
1. Pose questions and gather data about themselves and their surroundings.
2. Represent data using concrete objects, pictures, and graphs.
Grades 3-5
* Data Analysis and Probability
o Select and use appropriate statistical methods to analyze data
Grades 6-8
* Data Analysis and Probability
o Select and use appropriate statistical methods to analyze data
Teacher
