8.9 Putting it All Together

In two optional lessons, students solve complex problems. In the first, they investigate relationships of temperature and latitude, climate, season, cloud cover, or time of day. In particular, they use scatter plots and lines of best fit to investigate the question of modeling temperature as a function of latitude. In the second, they consider tessellations of the plane, understanding and using the terms “tessellation” and “regular tessellation” in their work, and using properties of shapes (e.g., the sum of the interior angles of a quadrilateral is 360 degrees) to make inferences about regular tessellations.
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