Day 13 misleading graphs

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This document contains information about misleading graphs including: 1) An upcoming quiz, midterm, and placement test dates as well as a reminder to bring pencils. 2) Examples of misleading line graphs about temperature and spending that manipulate scales or leave out key information. 3) A student activity to analyze misleading graphs and create their own, trading with a partner to explain why each is misleading. 4) Homework assigned on analyzing scales to identify misleading graphs and indicators that a graph may be misleading.

Tecnologia

AIM: Misleading Graphs

Do Now

Weekly Quiz 11

1

SMART Document Camera

Important Dates

• Midterm: 20% of Third Quarter Grade
Tuesday February 7th

• Placement Test:
Tuesday Feb.14th and Wednesday Feb.15th

BRING PENCILS

2

Anticipatory Set: Answer the following question, in complete
sentences.

1.) If you were the mayor of this city, which graph would you
use to show that you have done a good job stopping crime?
Explain your answer.

5

Think-Pair-Share Activity:
A.) Both line graphs show the high temperature Monday
through Friday. Which graph could be misleading? Why?

8

1.) What would be a less misleading title for this graph?

2.) How is the horizontal axis misleading?

3.) How is the vertical axis misleading?

4.) How much did spending really increase between 1993 and
2000?

9

5.) What is the point of the ad?

6.) How far is New York from Los Angeles?

7.) How far is New York from Hawaii?

8.) Why is the graph misleading?

10

D.) Create a graph that is misleading that displays the following
information on a separate piece of paper:

E.) Trade graphs with your partner and explain why
the graph is misleading.

13

BEFORE YOU LEAVE:

1.) Explain how to use the scale of a graph to decide if the
graph is misleading.

2.) Describe what might indicate that a graph is misleading.

14

Mr. Tjersland's Math 7

Homework: Pages 46-47 #1-8 all, 10, 12-18 all

15

Attachments

Homework Graphs.xls

Homework Sheet 92906.doc

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Day 13 misleading graphs

1. AIM: Misleading Graphs Do Now Weekly Quiz 11 1

2. SMART Document Camera Important Dates • Midterm: 20% of Third Quarter Grade Tuesday February 7th • Placement Test: Tuesday Feb.14th and Wednesday Feb.15th BRING PENCILS 2

3. Homework Graphs 3

4. 4

5. Anticipatory Set: Answer the following question, in complete sentences. 1.) If you were the mayor of this city, which graph would you use to show that you have done a good job stopping crime? Explain your answer. 5

6. Why is this graph misleading? 6

7. 7

8. Think-Pair-Share Activity: A.) Both line graphs show the high temperature Monday through Friday. Which graph could be misleading? Why? 8

9. 1.) What would be a less misleading title for this graph? 2.) How is the horizontal axis misleading? 3.) How is the vertical axis misleading? 4.) How much did spending really increase between 1993 and 2000? 9

10. 5.) What is the point of the ad? 6.) How far is New York from Los Angeles? 7.) How far is New York from Hawaii? 8.) Why is the graph misleading? 10

11. 11

12. Extra Examples 12

13. D.) Create a graph that is misleading that displays the following information on a separate piece of paper: E.) Trade graphs with your partner and explain why the graph is misleading. 13

14. BEFORE YOU LEAVE: 1.) Explain how to use the scale of a graph to decide if the graph is misleading. 2.) Describe what might indicate that a graph is misleading. 14

15. Mr. Tjersland's Math 7 Homework: Pages 46-47 #1-8 all, 10, 12-18 all 15

16. Attachments Homework Graphs.xls Homework Sheet 92906.doc

Day 13 misleading graphs

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Day 13 misleading graphs