![]() ![]() It seems to be that the more cookies he eats, the longer the objects float.Įgon will have to interpret graphs of proportional relationships in order to make sense of this paranormal activity. Old Lady Foster greets Egon with some cookies.Įgon eats a cookie and objects begin to float behind Lady Foster! He is on his way to see Old Lady Foster, who is convinced her house is haunted.Ī cold wind chills him to his bones as he knocks on the creaking door. Recommended for students who are 12 - 13 years oldĭetective Egon Spongler specializes in uncovering the secrets of the paranormal. ![]() This video includes key concepts, notation, and vocabulary such as the graph of a proportional relationship (a straight line through the origin) and equations representing proportional relationships (y=kx where k is the slope).īefore watching this video, you should already be familiar with the definition of a rate, unit rate, and proportional relationship, as well as identifying these terms from a table that represents relations.Īfter watching this video, you will be prepared to learn how to plot and interpret points in a coordinate plane, make the connection between a point and the equation of a line containing the point, and identify the equation of a different type of line.Ĭommon Core Standard(s) in focus: 7.RP.A.2Ī video intended for math students in the 7th grade Learn about the graphs of proportional relationships by helping Detective Egon Spongler uncover the secrets of paranormal activity. It concludes with writing equations of proportional relationships. It leads to finding the slope, k, or constant of proportionality. ![]() The lesson begins by teaching the characteristics of graphs that represent proportional relationships. After this lesson, you will be able to identify graphs that represent proportional relationships, find unit rates, and write equations. ![]()
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