Today, we continued our quest to combine like terms, using the context of a manufacturing company named Widgets, Inc. Students were able to create variable expressions to represent a variety of workplace situations, and then add or subtract expressions, depending on the parameters of the situation. Most students understood this part of our lesson quite well.
We then looked at very basic one-step equations and realized we have been able to solve these since we were in the first grade! The key to solving these types of equations is to do the opposite of what the equation states. For instance, in the equation x+4=9, to determine what x is requires you to subtract 4 from each side of the equation. We used the teeter-totter analogy to help us understand what to do in order to keep the equations balanced.
Tonight's Homework: Complete the Widgets, Inc. worksheet (both sides). Do Lesson 3.1 ( 6 - 24, 40 - 43, and 48-49 ).
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