SMART Notebook Lessons - Similar Polygons and Solving Systems of Equations Using Substitution
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In Similar Polygons, we wanted to reinforce ratios and setting up proportions from word problems. I used the drag/drop capability to encourage students to see where the numbers were coming from when creating a proportion. We then used some of the measuring tools to discuss what makes two figures similar. Finally, we used drag/drop to label geometric figures and coupled with setting up proportions in traditional problems.
For the lesson on Substitution, we had students drag values into variables, thus putting a hands-on approach to substitution. We gradually built this out to include variables and later expressions. This led to a system of equations that we had drag/drop, inking, and checkpoint reveals. Finally, we explored how to handle equations where one has to solve for one variable before substituting into the second equation.
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