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Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Warm Up 1. = 2. = 3. = 4. =. 1.5 x. 7.5 35. x = 7. 0.6 14. x 3.5. x = 0.15. 8 x. 3 4.2. x = 11.2. 5.2 2.6. 2 x. x = 1. Problem of the Day

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Warm Up

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  1. Warm Up Problem of the Day Lesson Presentation Lesson Quizzes

  2. Warm Up 1. = 2. = 3. = 4. = 1.5x 7.5 35 x = 7 0.6 14 x 3.5 x = 0.15 8 x 3 4.2 x = 11.2 5.2 2.6 2x x = 1

  3. Problem of the Day The sum of four consecutive integers is 182. What are the four numbers? 44, 45, 46, and 47

  4. Sunshine State Standards MA.7.S.6.2 Construct and analyze histograms, stem-and-leaf plots, and circle graphs.

  5. x x x x x x 1 7 9 2 5 3 6 1 There are several ways to display data. Some types of displays are more appropriate than others, depending on how the data is to be analyzed. Use a bar graph to display and compare data. Use a line plot to show the frequency of values. Use a stem-and-leaf plot to show how often data values occur and how they are distributed.

  6. Use a circle graph to show how a set of data is divided into parts. Use a line graph to show how data change over a time period. Use a Venn Diagram to show relationships between two or more data sets.

  7. Butterfly Family Number of Species Gossamer-wing 7 Skippers 10 Swallowtails 5 Whites and sulphurs 4 Additional Example 1A: Choosing an Appropriate Display The students want to create a display to show each species of butterfly as a percentage of all species in the butterfly family. Which type of graph would they use? Explain. Circle graph; each listed species is a part of the whole population.

  8. Additional Example 1B: Choosing an Appropriate Display Visitors to the park record how many times they see a member of one of the four butterfly families during their visit. You want to make a display of how many times a member of each butterfly family was spotted. Which type of graph would you use? Explain. I would use a bar graph because this display makes it easy to compare families.

  9. Rose Family Number of Species in the Garden English 23 Hybrid Teas 13 Standard Tree 14 Miniature 2 Check It Out: Example 1A The students want to create a display to show the total number of roses in the garden and see which ones occurred more frequently. Line plot; it would display the total number of roses and allow the students to see the frequency.

  10. Rose Family Number of Species in the Garden English 23 Hybrid Teas 13 Standard Tree 14 Miniature 2 Check It Out: Example 1B The students want to create a display to show the number of English Roses in the garden compared to the total percentage of roses. Circle Graph; it would display each species of roses in the garden as a percentage of the whole population.

  11. Months Visitors May 432 June 657 July 856 August 723 Additional Example 2: Identifying the Most Appropriate Display The table shows the number of visitors to the butterfly park during a four month period. Explain why each kind of display would or would not appropriately represent the data.

  12. Months Visitors May 432 June 657 July 856 August 723 Additional Example 2A: Identifying the Most Appropriate Display Circle Graph A circle graph shows how a set of data is divided into parts. The circle graph does not accurately display the number of visitors per month, so it is not appropriate in representing the data.

  13. Months Visitors May 432 June 657 July 856 August 723 Additional Example 2B: Identifying the Most Appropriate Display Bar Graph A bar graph displays and compares data. The bar graph appropriately displays and compares the data and the number of visitors during each month.

  14. Months Visitors May 432 June 657 July 856 August 723 Additional Example 2C: Identifying the Most Appropriate Display Line Plot A line plot shows the frequency of values. May June JulyAug X X XX 100 200 300 400 500 600 700 800 900 1000 There are only four data values to display, so it does not appropriately display the frequency in which visitors visit the park.

  15. Months Visitors May 432 June 657 July 856 August 723 Additional Example 2D: Identifying the Most Appropriate Display Line Graph A line graph shows how data changes over time. The line graph appropriately displays and compares the data and the number of visitors during each month.

  16. Animal Weight (lbs)‏ Koala 17 Chimpanzee 80 Sumatran Tiger 210 Male Gorilla 420 Check It Out: Example 2 The table shows the weight of 4 animals at the Animal Sanctuary. Explain why each kind of display would or would not appropriately represent the data.

  17. Animal Weight (lbs)‏ Koala 17 Chimpanzee 80 Sumatran Tiger 210 Large Gorilla 420 Check It Out: Example 2A Line Graph A line graph shows how data changes over time. The line graph does not appropriately display and compare the different animals weight.

  18. Animal Weight (lbs)‏ Koala 17 Chimpanzee 80 Stems Leaves Sumatran Tiger 210 Large Gorilla 420 1 7 8 0 21 0 42 0 Check It Out: Example 2B Stem-and-Leaf Plot A stem-and-leaf plot shows how often data values occur and how they are distributed. There are only 4 data values, and how often they occur and how they are distributed are not important.

  19. Animal Weight (lbs)‏ Koala 17 Chimpanzee 80 Sumatran Tiger 210 Large Gorilla 420 Check It Out: Example 2C Circle Graph A circle graph shows how a set of data is divided into parts. A circle graph appropriately shows the proportionate amount of weight compared to the total weight of all the animals.

  20. Animal Weight (lbs)‏ Koala 17 Chimpanzee 80 Sumatran Tiger 210 Large Gorilla 420 Check It Out: Example 2D Bar Graph A bar graph displays and compares data. The bar graph appropriately displays and compares the weight of each animal.

  21. Lesson Quizzes Standard Lesson Quiz Lesson Quiz for Student Response Systems

  22. Lesson Quiz: Part I For each description of the data set, tell what type of display would be most appropriate. 1. The number of points scored per game by the basketball team during the season. 2. The number of books read by each student in third period English class. line graph line plot

  23. Lesson Quiz: Part II 3. The percentage of the variety of cakes made by a bakery. 4. The number of magazine subscriptions sold by each member of the sales staff. circle graph bar graph

  24. Lesson Quiz for Student Response Systems 1. Identify the type of display that would be most appropriate for the description of the given data set. The number of points scored per match by a rugby team during the season. A. line graph B. line plot C. bar graph D. circle graph

  25. Lesson Quiz for Student Response Systems 2. Identify the type of display that would be most appropriate for the description of the given data set. The shoe size of a group of students. A. line graph B. line plot C. bar graph D. circle graph

  26. Lesson Quiz for Student Response Systems 3. Identify the type of display that would be most appropriate for the description of the given data set. The percent of salary spent by a person on different items. A. line graph B. line plot C. bar graph D. circle graph

  27. Lesson Quiz for Student Response Systems 4. Identify the type of display that would be most appropriate for the description of the given data set. The grades earned by a student in different subjects. A. line graph B. line plot C. bar graph D. circle graph

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