Page 194 - IM_Grade 8_FL Print Sample.pdf

3.3 Activity: Coat Sales
Card 18 of 26
4. If there were a point at what would it represent? Use the scatter plot to estimate a value for .
5. What would a point at represent? Use the scatter plot to estimate a value for .
6. Would it make sense to use this trend to estimate the value of sales when the average monthly temperature is 60 degrees Celsius? Explain your reasoning.
Teaching notes
Pacing: 15 minutes for entire activity
This entire activity spans 6 cards. This is card 5 of 6. Student response
4. When the temperature averaged 0 degrees Celsius for the month, the store sold dollars of coats. Estimates vary. Correct answers should range between $1,200 and $1,300.
5. When the store sold no coats for the month, the average monthly temperature is degrees Celsius. Estimates vary. Correct answers should be approximately 30 degrees Celsius.
6. It does not make sense. 60 degrees Celsius (140 Fahrenheit) is hotter than has been recorded
on Earth. Also, based on the trend, there would be negative dollars sold which does not really make sense.
Support for students with disabilities
Conceptual Processing: Processing Time. Check in with individual students, as needed, to assess for comprehension during each step of the activity.