6th Grade Math Textbook, Progress

Use the given graph.

6. In which city was the average
   temperature 68° in June? How do
   you know?


7. During which month(s) was the
   difference in average temperature
   in the two cities the greatest?
   the least? Explain how you found
   your answer.


8. During which months is the
   difference in average temperature
   less than 20°? Explain how you
   found your answer.


9. Describe the general trend you see in
   each city’s average monthly temperature.

Make a double line graph for each data set.

Key: Miami

Chicago

85

80

75

70

65

60

55

50

45

40

35

30

25

0

(in

°F)

Month

Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.

Average Monthly Temperatures

12. When was the difference between the
    stock of jeans and shorts the greatest?
    When was it the least?


13. At what ages are boys taller than girls?
    13. When was the total stock of jeans and
    shorts the greatest? When was the total
    stock the least?
    15. At what ages are the average heights
    of boys and girls the same?

Use your graphs from exercises 10–11.

Stock at Sam’s Shirts

Month Jeans Shorts

Oct. 525 175

Nov. 425 225

Dec. 450 210

Jan. 475 200

Feb. 480 185

Average Height (in cm)

Age Boys Girls

12 150 152

13 157 157

14 163 160

15 169 162

16 174 162

16. Choose two cities that you would like to visit and the month you
    would like to visit each. Then research and record in a double line
    graph the daily high temperature in each city for one week.

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