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It's time to deal with the cold as only a math class can with this timely activity.
Students are given a list of linear equations each with a corresponding domain or range. The equations will occur various forms.
As the students graph the equations, they should connect the lines only within the designated zones. When they are done, they will have graphed a copy of a Winter Time Thermometer.
Here are some tips:
 A completed picture has been provided to be used as a
 Using a ruler helps to align each line with its equation
 I have found that printing graph paper directly from themathworksheetsite.com helps out, but any graph paper will do.
 Remember to copy double-sided to save paper.
 Technology Option: Use your favorite equation and domain graphing software or website.
I highly recommend using Desmos.com for this activity.