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In chapter 1 of the integrated math 2cpm Textbook we learned how to use area models to find the area of a shape as a product or sum. The first step is to draw out the area model. Then we split the equation (x+y)(x+y) and each part of the equation will be put in the right place on the area model. Then we multiply each box by the corresponding part of the equation. Finally we add up all the boxes to get our final equation x^2 + XY + Y. This connects to chapter 3 where we learn probability because one of the ways we can find the probability of various scenarios is by using area models.

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In chapter 2 of Integrated Math 2CPM Textbook we learned how to determine if 2 or more shapes are similar. First we find each corresponding side for both triangles, then we take the new triangle and divide each side length by the old triangles side lengths. This will give us a number which is the scale factor. This connects to chapter 1 when we learned polygons because both triangles are polygons and are similar.

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In chapter 3 of the Integrated Math 2CPM Textbook we learned how to calculate the probability of certain events. First we find the fraction of probability of each event. Then we make a tree diagram or area model to visualize the events. Finally we multiply each events corresponding fraction by all other outcomes to find all outcomes. This connects to chapter 1 where we also use area models.