INTERPRETING DATA FROM GRAPHS
Enduring Understanding: Develop a better understanding of how to use data from a variety of sources to develop and support a conclusion. Develop a better understanding of how to use data from a variety of sources to make a prediction based on the given data.
Essential Questions:
· How do you use data from a variety of sources to develop a conclusion?
· How do you use data to make predictions?
Lesson Overview:
· Before allowing the students the opportunity to start the activity: access their prior knowledge with regards to national debt, deficit, billions, trillions of dollars
· How can you support a conclusion that you make? What evidence from graphs can be used to support/justify your conclusion?
· Look up the actual national debt in the year 2000 on the internet to compare student answers for question #11.
· Use resources from your building.
EALRs/GLEs
1.1.2
1.1.8
1.4.6
3.1.1
3.2.3
4.1.2
5.1.1
Item Specifications: PS03; NS01; NS05; SR03; SR04; CU01; MC01
Assessment:
· Use WASL format items that link to what is being covered by the classroom activity
· Include multiple choice questions
Interpreting Data from Graphs
Use the information contained in the graphs on the US deficit and debt that are attached.
1. What percent of federal expenses are for the Social Security? Show all work.
2. What percent of federal income comes from personal income taxes? Show all work.
3. How much was the federal deficit in 1993? ______
4. How could you confirm that number using the information associated with the 2 pie graphs.
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5. What is the approximate US population in 1993 according to the data? ______
6. How could you determine this from the information provided?
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7. If Congress had limited expenditures from the Social Security to 15% of the total federal expenses in 1993, how much could have been spent for Social Security? Show all work.
8. Why does the deficit remain more or less constant in the line graph, while the debt rises sharply?
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9. Explain how the information in the bar graph could be used to determine the 1993 deficit amount in the line graph.
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10. The federal deficit in 1992 was $290.4 billion. The federal deficit was $341.0 billion in 1995. A claim was made in an article in a local newspaper that the federal deficit could reach $495 billion during the 2006 fiscal year. Do you agree or disagree with the claim in the newspaper? Support your answer using words, numbers and/or diagrams.
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11. Use the data from the newspaper article to predict the deficit in the year 2000.
Support your answer using words, numbers and/or diagrams.
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12. The graph shows Tom’s wages per hours worked.
Tom’s car needs to be fixed. Estimates for fixing
the car run from $25 to $75.
Which range shows the minimum number of hours Tom will have to work to pay for the repairs?
O A. 25-75
O B. 10-20
O C. 3-9
O D. 0-4
13. Personal computers are given a final inspection after being built. Three types of defects are identified: critical, major and minor. The following chart shows the results of these inspections:
Critical defects only / 2%Major / 3%
Minor defects only / 5%
Critical and major defects / 2%
Critical and minor defects / 1%
Major and minor defects / 3%
All three types of defects / 2%
Computers with either critical or major defects are deemed unusable and are destroyed.
Which percentage of computers produced are deemed usable?
O A. 87%
O B. 91%
O C. 95%
O D. 98%