Hello.
Just now, I have updated a few things on this website. First, I uploaded the updated versions of a few worksheets I made over the summer. Making answer keys for a few of these worksheets earlier in the year definitely gave me better insight into how well some of the questions/activities actually work (mostly, some questions ended up being a lot easier or harder than I initially expected). For this reason, I made a few edits as I went along. Second, I uploaded two more worksheets, and a third will be coming in the next few days (I just need to add/format one more section). The third activity is a 2nd worksheet based on chapter 5 from the algebra I book which centers around the process of potassium-argon dating to find the age of volcanic rocks. Initially my plan was to do carbon dating, but the math for that ended up being a bit more complicated than I intended, leading me to decide that it wasn't quite as applicable to what I was going for. I will keep the old activity on this website because I think it is still (a tiny bit) valuable, despite its many flaws. The first activity I made (for chapter 6: build exponential functions and models) takes the same concept from my original chapter 5 worksheet (modeling epidemics), but consists of entirely different questions. For chapter 7 (polynomial operations and models), the main activity involves creating a floor plan of a home. Students must include the relative dimensions of each room (represented as monomials/polynomials), and then use the total square footage of their home (based on a pre-determined budget) to find the real dimensions of the house. To do so, they have to add/subtract/multiply monomials and polynomials in order to create an equation, which covers the real meat of the chapter. Additionally, I tried to give them as much freedom as possible in terms of what they can do with their house design. That's all for now. I think I am making decent progress at this point. Eventually, I will probably make a new tab on the website and upload answer keys/sample answers. I don't think I will end up creating an answer key for every worksheet, however, since some are too open ended for it to have any value (in my opinion).
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